x86: Silence unused variable warning on Mac OS X.

Silences the following GCC warning on Mac OS X.
x86/common_x86.c:58: warning: 'detection_debug' defined but not used

diff --git a/src/mesa/x86/common_x86.c b/src/mesa/x86/common_x86.c
index f763a3aa8a4bc3c2ea7fb3fcdcb7d56de1c2989c..b70ee5084dd62dce7ce329198646e816ba18e474 100644 (file)
--- a/src/mesa/x86/common_x86.c
+++ b/src/mesa/x86/common_x86.c
@@ -331,4 +331,6 @@ _mesa_get_x86_features(void)
 #endif
 
 #endif /* USE_X86_ASM */
+
+   (void) detection_debug;
 }