Make functions static in unittests

Enabling -Wmissing-declarations points out that a bunch of function in
the unittests can be made static, do that.

gdb/ChangeLog:

	* unittests/array-view-selftests.c (check_ptr_size_ctor2): Make
	static.
	* unittests/basic_string_view/capacity/1.cc (test01): Likewise.
	* unittests/basic_string_view/cons/char/1.cc (test01): Likewise.
	(main): Likewise.
	* unittests/basic_string_view/cons/char/2.cc (test03): Likewise.
	(main): Likewise.
	* unittests/basic_string_view/cons/char/3.cc (test05): Likewise.
	(main): Likewise.
	* unittests/basic_string_view/element_access/char/1.cc (test01): Likewise.
	(main): Likewise.
	* unittests/basic_string_view/element_access/char/empty.cc (main): Likewise.
	* unittests/basic_string_view/element_access/char/front_back.cc (test01): Likewise.
	(main): Likewise.
	* unittests/basic_string_view/inserters/char/2.cc (test05): Likewise.
	(main): Likewise.
	* unittests/basic_string_view/modifiers/remove_prefix/char/1.cc (test01): Likewise.
	(main): Likewise.
	* unittests/basic_string_view/modifiers/remove_suffix/char/1.cc (test01): Likewise.
	(main): Likewise.
	* unittests/basic_string_view/modifiers/swap/char/1.cc (test01): Likewise.
	* unittests/basic_string_view/operations/compare/char/1.cc (test01): Likewise.
	(main): Likewise.
	* unittests/basic_string_view/operations/compare/char/13650.cc (test01): Likewise.
	* unittests/basic_string_view/operations/copy/char/1.cc (test01): Likewise.
	(main): Likewise.
	* unittests/basic_string_view/operations/data/char/1.cc (test01): Likewise.
	(main): Likewise.
	* unittests/basic_string_view/operations/find/char/1.cc (test01): Likewise.
	(main): Likewise.
	* unittests/basic_string_view/operations/find/char/2.cc (test02): Likewise.
	(main): Likewise.
	* unittests/basic_string_view/operations/find/char/3.cc (test03): Likewise.
	(main): Likewise.
	* unittests/basic_string_view/operations/find/char/4.cc (main): Likewise.
	* unittests/basic_string_view/operations/rfind/char/1.cc (test01): Likewise.
	(main): Likewise.
	* unittests/basic_string_view/operations/rfind/char/2.cc (test02): Likewise.
	(main): Likewise.
	* unittests/basic_string_view/operations/rfind/char/3.cc (test03): Likewise.
	(main): Likewise.
	* unittests/basic_string_view/operations/substr/char/1.cc (test01): Likewise.
	(main): Likewise.
	* unittests/basic_string_view/operators/char/2.cc (main): Likewise.
	* unittests/optional/assignment/1.cc (test): Likewise.
	* unittests/optional/assignment/2.cc (test): Likewise.
	* unittests/optional/assignment/3.cc (test): Likewise.
	* unittests/optional/assignment/4.cc (test): Likewise.
	* unittests/optional/assignment/5.cc (test): Likewise.
	* unittests/optional/assignment/6.cc (test): Likewise.
	* unittests/optional/assignment/7.cc (test): Likewise.
	* unittests/optional/cons/copy.cc (test): Likewise.
	* unittests/optional/cons/default.cc (test): Likewise.
	* unittests/optional/cons/move.cc (test): Likewise.
	* unittests/optional/cons/value.cc (test): Likewise.
	* unittests/optional/in_place.cc (test): Likewise.
	* unittests/optional/observers/1.cc (test): Likewise.
	* unittests/optional/observers/2.cc (test): Likewise.

Change-Id: I66626db864cb877cacc570d4660df633530554f5

3 files changed, 12 insertions, 12 deletions

diff --git a/gdb/unittests/basic_string_view/cons/char/1.cc b/gdb/unittests/basic_string_view/cons/char/1.cc
index a7cc8f2..b5209bd 100644
--- a/gdb/unittests/basic_string_view/cons/char/1.cc
+++ b/gdb/unittests/basic_string_view/cons/char/1.cc
@@ -21,8 +21,8 @@
 
 namespace cons_1 {
 
-void
-test01()
+static void
+test01 ()
 {
   typedef gdb::string_view::size_type csize_type;
 
@@ -56,8 +56,8 @@ test01()
   VERIFY( str07.length() == 10 );
 }
 
-int
-main()
+static int
+main ()
 { 
   test01();
 
diff --git a/gdb/unittests/basic_string_view/cons/char/2.cc b/gdb/unittests/basic_string_view/cons/char/2.cc
index 74af38b..bd7fb6f 100644
--- a/gdb/unittests/basic_string_view/cons/char/2.cc
+++ b/gdb/unittests/basic_string_view/cons/char/2.cc
@@ -21,8 +21,8 @@
 
 namespace cons_2 {
 
-void
-test03()
+static void
+test03 ()
 {
   const char* with_nulls = "This contains \0 a zero byte.";
 
@@ -35,8 +35,8 @@ test03()
   VERIFY( s2.size() == 28 );
 }
 
-int
-main()
+static int
+main ()
 { 
   test03();
 
diff --git a/gdb/unittests/basic_string_view/cons/char/3.cc b/gdb/unittests/basic_string_view/cons/char/3.cc
index 9e1ca7e..8dbaba7 100644
--- a/gdb/unittests/basic_string_view/cons/char/3.cc
+++ b/gdb/unittests/basic_string_view/cons/char/3.cc
@@ -21,15 +21,15 @@
 
 namespace cons_3 {
 
-void
-test05()
+static void
+test05 ()
 {
   char const * s = 0;
   gdb::string_view zero_length_built_with_NULL(s, 0);
 }
 
-int
-main()
+static int
+main ()
 { 
   test05();