[gcc r17-4367] libstdc++: Fix typo in 20_util/function_objects/dr660.cc

[Jonathan Wakely]

https://gcc.gnu.org/g:2044697b763f133f5e5cffe49b09e4609ce4968f

commit r17-4367-g2044697b763f133f5e5cffe49b09e4609ce4968f
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Wed Sep 16 15:01:07 2026 +0100

    libstdc++: Fix typo in 20_util/function_objects/dr660.cc
    
    libstdc++-v3/ChangeLog:
    
            * testsuite/20_util/function_objects/dr660.cc: Include the
            testsuite_hooks.h header not testsuite_hooks.cc.

Diff:
---
 libstdc++-v3/testsuite/20_util/function_objects/dr660.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libstdc++-v3/testsuite/20_util/function_objects/dr660.cc b/libstdc++-v3/testsuite/20_util/function_objects/dr660.cc
index b4223b6b66bc..e4725f23aaed 100644
--- a/libstdc++-v3/testsuite/20_util/function_objects/dr660.cc
+++ b/libstdc++-v3/testsuite/20_util/function_objects/dr660.cc
@@ -18,7 +18,7 @@
 // <http://www.gnu.org/licenses/>.
 
 #include <functional>
-#include <testsuite_hooks.cc>
+#include <testsuite_hooks.h>
 
 // DR 660. Missing Bitwise Operations.
 void test01()