Shut up gcc4 warnings.

1 files changed, 1 insertions, 1 deletions

diff --git a/array.h b/array.h
index 543c3dfe..59ac356f 100644
--- a/array.h
+++ b/array.h
@@ -47,7 +47,7 @@
 	}								\
 } while (0)
 
-#define ARRAY_EMPTY(a) ((a) == NULL || (a)->num == 0)
+#define ARRAY_EMPTY(a) (((void *) (a)) == NULL || (a)->num == 0)
 #define ARRAY_LENGTH(a) ((a)->num)
 #define ARRAY_DATA(a) ((a)->list)