mesa: protect Elements against multiple definitions

Mesa and gallium both have a definition of this macro

diff --git a/src/mesa/main/compiler.h b/src/mesa/main/compiler.h
index 93103fe..e79bbc2 100644 (file)
--- a/src/mesa/main/compiler.h
+++ b/src/mesa/main/compiler.h
@@ -468,9 +468,9 @@ do {                                                                    \
 #endif
 
 
-
+#ifndef Elements
 #define Elements(x) (sizeof(x)/sizeof(*(x)))
-
+#endif