diff -Naur mindi-busybox-1.18.5.orig/shell/shell_common.h mindi-busybox-1.18.5.new/shell/shell_common.h
--- mindi-busybox-1.18.5.orig/shell/shell_common.h	2012-07-07 18:48:21.000000000 +0200
+++ mindi-busybox-1.18.5.new/shell/shell_common.h	2012-07-07 18:47:57.000000000 +0200
@@ -18,6 +18,7 @@
  */
 #ifndef SHELL_COMMON_H
 #define SHELL_COMMON_H 1
+#include <sys/resource.h>
 
 PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN