util: Define dump_cpu only for DEBUG builds.

dump_cpu is used only when DEBUG is defined.

Fixes the following GCC warning on builds without DEBUG defined.
util/u_cpu_detect.c:76: warning: 'debug_get_option_dump_cpu' defined but not used

diff --git a/src/gallium/auxiliary/util/u_cpu_detect.c b/src/gallium/auxiliary/util/u_cpu_detect.c
index f33d6b346179cd8898c1545f43b849a52e47c926..5d0b16d28e162cd9490d95f10cdf833fda5a3b40 100644 (file)
--- a/src/gallium/auxiliary/util/u_cpu_detect.c
+++ b/src/gallium/auxiliary/util/u_cpu_detect.c
@@ -73,7 +73,9 @@
 #endif
 
 
+#if DEBUG
 DEBUG_GET_ONCE_BOOL_OPTION(dump_cpu, "GALLIUM_DUMP_CPU", FALSE)
+#endif
 
 
 struct util_cpu_caps util_cpu_caps;