fixed compile error if calloc is missing

1 files changed, 2 insertions, 0 deletions

diff --git a/lib/mem.h b/lib/mem.h
index e864bbf0..ee60920b 100644
--- a/lib/mem.h
+++ b/lib/mem.h
@@ -5,6 +5,8 @@
 extern "C" {
 #endif
 
+#include <stdlib.h>
+
 #include "../config.h"
 
 #define ALLOC_ARRAY(type, num) (((type)*)rfxalloc(sizeof(type)*(num)))