Fix for #include <errno.h> on systems without this header.

issue #161


git-svn-id: http://picoc.googlecode.com/svn/trunk@575 21eae674-98b7-11dd-bd71-f92a316d2d60

Author: zik.saleeba

cstdlib/stdio.c

@@ -1,9 +1,9 @@
 /* stdio.h library for large systems - small embedded systems use clibrary.c instead */
+#ifndef BUILTIN_MINI_STDLIB
+
 #include <errno.h>
 #include "../interpreter.h"
 
-#ifndef BUILTIN_MINI_STDLIB
-
 #define MAX_FORMAT 80
 #define MAX_SCANF_ARGS 10