Fix macro redefinition warning.

Bug 15387371

Change-Id: I1d9524b15a62a561508a5cc2b76ba0b1e8d37fdc
Reviewed-on: https://swiftshader-review.googlesource.com/4495
Reviewed-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>
Tested-by: Nicolas Capens <capn@google.com>
diff --git a/src/Common/DebugAndroid.hpp b/src/Common/DebugAndroid.hpp
index 504401e..2d2eb49 100644
--- a/src/Common/DebugAndroid.hpp
+++ b/src/Common/DebugAndroid.hpp
@@ -34,6 +34,7 @@
 		}																\
 	} while(0)
 
+#undef assert
 #define assert(E) ASSERT(E)
 
 #define ERR(format, ...)												\