replaced malloc.h with stdlib.h to quiet compiler
diff --git a/SAX.c b/SAX.c
index 17a8277..b3583cf 100644
--- a/SAX.c
+++ b/SAX.c
@@ -3,7 +3,7 @@
  */
 
 #include <stdio.h>
-#include <malloc.h>
+#include <stdlib.h>
 #include "tree.h"
 #include "parser.h"
 #include "error.h"