libstdc++: testsuite: fix dg-bogus directive syntax

These dg-bogus directives were bogus as they missed a closing brace.

```
+PASS: 23_containers/array/capacity/empty.cc  -std=gnu++17  (test for bogus messages, line 54)
 PASS: 23_containers/array/capacity/empty.cc  -std=gnu++17 (test for excess errors)
 PASS: 23_containers/array/capacity/empty.cc  -std=gnu++17 execution test
+PASS: 23_containers/array/capacity/max_size.cc  -std=gnu++17  (test for bogus messages, line 54)
 PASS: 23_containers/array/capacity/max_size.cc  -std=gnu++17 (test for excess errors)
 PASS: 23_containers/array/capacity/max_size.cc  -std=gnu++17 execution test
+PASS: 23_containers/array/capacity/size.cc  -std=gnu++17  (test for bogus messages, line 54)
```

libstdc++-v3/ChangeLog:
	PR libstdc++/101831

	* testsuite/23_containers/array/capacity/empty.cc: Add missing brace.
	* testsuite/23_containers/array/capacity/max_size.cc: Ditto.
	* testsuite/23_containers/array/capacity/size.cc: Ditto.

3 files changed, 3 insertions, 3 deletions

diff --git a/libstdc++-v3/testsuite/23_containers/array/capacity/empty.cc b/libstdc++-v3/testsuite/23_containers/array/capacity/empty.cc
index 9334282..f1554ed 100644
--- a/libstdc++-v3/testsuite/23_containers/array/capacity/empty.cc
+++ b/libstdc++-v3/testsuite/23_containers/array/capacity/empty.cc
@@ -51,7 +51,7 @@ test02()
     typedef std::array<int, len> array_type;
     array_type a;
 
-    VERIFY( a.empty() == false );    // { dg-bogus "-Wmaybe-uninitialized"
+    VERIFY( a.empty() == false );    // { dg-bogus "-Wmaybe-uninitialized" }
   }
 }
 
diff --git a/libstdc++-v3/testsuite/23_containers/array/capacity/max_size.cc b/libstdc++-v3/testsuite/23_containers/array/capacity/max_size.cc
index b6721ef..57d7895 100644
--- a/libstdc++-v3/testsuite/23_containers/array/capacity/max_size.cc
+++ b/libstdc++-v3/testsuite/23_containers/array/capacity/max_size.cc
@@ -51,7 +51,7 @@ test02()
     typedef std::array<int, len> array_type;
     array_type a;
 
-    VERIFY( a.max_size() == len );  // { dg-bogus "-Wmaybe-uninitialized"
+    VERIFY( a.max_size() == len );  // { dg-bogus "-Wmaybe-uninitialized" }
   }
 }
 
diff --git a/libstdc++-v3/testsuite/23_containers/array/capacity/size.cc b/libstdc++-v3/testsuite/23_containers/array/capacity/size.cc
index 524d1f9..4769fd6 100644
--- a/libstdc++-v3/testsuite/23_containers/array/capacity/size.cc
+++ b/libstdc++-v3/testsuite/23_containers/array/capacity/size.cc
@@ -51,7 +51,7 @@ test02()
     typedef std::array<int, len> array_type;
     array_type a;
 
-    VERIFY( a.size() == len );      // { dg-bogus "-Wmaybe-uninitialized"
+    VERIFY( a.size() == len );      // { dg-bogus "-Wmaybe-uninitialized" }
   }
 }