intel: Fix warnings of undefined ffs().

For some reason these started showing up with the automake conversion.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Chad Versace <chad.versace@linux.intel.com>

diff --git a/src/mesa/drivers/dri/intel/intel_context.h b/src/mesa/drivers/dri/intel/intel_context.h
index 9fb2902..e673a4e 100644 (file)
--- a/src/mesa/drivers/dri/intel/intel_context.h
+++ b/src/mesa/drivers/dri/intel/intel_context.h
@@ -30,6 +30,7 @@
 
 
 #include <stdbool.h>
+#include <string.h>
 #include "main/mtypes.h"
 #include "main/mm.h"