Use C99 compliant stringification

diff --git a/src/libmowgli/core/assert.h b/src/libmowgli/core/assert.h
index 5c55e8113dc0b52daa02b3db6257906fc0da0494..2452c7a71b0326696fdc921d83e53c10d7205a65 100644 (file)
--- a/src/libmowgli/core/assert.h
+++ b/src/libmowgli/core/assert.h
@@ -24,7 +24,7 @@
 #ifndef __MOWGLI_ASSERT_H__
 #define __MOWGLI_ASSERT_H__
 
-#define _assert_msg(exp) "assertion '#exp' failed."
+#define _assert_msg(exp) "assertion '" #exp  "' failed."
 
 #define soft_assert(exp) \
        do { \