--- gcalctool-5.5.42/gcalctool/syntax_translation.c	
+++ gcalctool-5.5.42/gcalctool/syntax_translation.c	
@@ -21,7 +21,7 @@ 
 
 #include <stdio.h>
 #include <libintl.h>
-#include <malloc.h>
+#include <stdlib.h>
 #include <assert.h>
 #include <string.h>