fix clang allocator size mistmatch (by casting - clang is wrong)

src/lib/evas/common/evas_tiler.c

@@ -83,7 +83,7 @@ rect_list_node_pool_get(void)
 
         return node;
      }
-   else return malloc(sizeof(rect_node_t));
+   else return (list_node_t *)malloc(sizeof(rect_node_t));
 }
 
 static inline void