libctf, testsuite: fix various warnings in tests

These warnings are all off by default, but if they do fire you get
spurious ERRORs when running make check-libctf.

libctf/ChangeLog
2021-09-27  Nick Alcock  <nick.alcock@oracle.com>

	* testsuite/libctf-lookup/enum-symbol.c: Remove unused label.
	* testsuite/libctf-lookup/conflicting-type-syms.c: Remove unused
	variables.
	* testsuite/libctf-regression/pptrtab.c: Likewise.
	* testsuite/libctf-regression/type-add-unnamed-struct.c: Likewise.
	* testsuite/libctf-writable/pptrtab.c: Likewise.
	* testsuite/libctf-writable/reserialize-strtab-corruption.c:
	Likewise.
	* testsuite/libctf-regression/nonstatic-var-section-ld-r.c: Fix
	format string.
	* testsuite/libctf-regression/nonstatic-var-section-ld.c:
	Likewise.
	* testsuite/libctf-regression/nonstatic-var-section-ld.lk: Adjust.
	* testsuite/libctf-writable/symtypetab-nonlinker-writeout.c: Fix
	initializer.

1 files changed, 2 insertions, 2 deletions

diff --git a/libctf/testsuite/libctf-regression/nonstatic-var-section-ld.c b/libctf/testsuite/libctf-regression/nonstatic-var-section-ld.c
index 4e3a748..93988eb 100644
--- a/libctf/testsuite/libctf-regression/nonstatic-var-section-ld.c
+++ b/libctf/testsuite/libctf-regression/nonstatic-var-section-ld.c
@@ -30,12 +30,12 @@ main (int argc, char *argv[])
      should have been erased.  */
 
   if ((foo_type = ctf_lookup_variable (fp, "foo")) == CTF_ERR)
-    printf ("Cannot look up foo\n", ctf_errmsg (ctf_errno (fp)));
+    printf ("Cannot look up foo: %s\n", ctf_errmsg (ctf_errno (fp)));
   else
     printf ("foo is of type %lx\n", foo_type);
 
   if ((bar_type = ctf_lookup_variable (fp, "bar")) == CTF_ERR)
-    printf ("Cannot look up bar\n", ctf_errmsg (ctf_errno (fp)));
+    printf ("Cannot look up bar: %s\n", ctf_errmsg (ctf_errno (fp)));
   else
     printf ("bar is of type %lx\n", bar_type);