diff -Nur busybox-1.22.1.orig/scripts/kconfig/zconf.hash.c_shipped busybox-1.22.1/scripts/kconfig/zconf.hash.c_shipped
--- busybox-1.22.1.orig/scripts/kconfig/zconf.hash.c_shipped	2014-01-09 19:15:44.000000000 +0100
+++ busybox-1.22.1/scripts/kconfig/zconf.hash.c_shipped	2014-05-24 23:21:27.000000000 +0200
@@ -156,7 +156,7 @@
 #ifdef __GNUC__
 __inline
 #endif
-struct kconf_id *
+static struct kconf_id *
 kconf_id_lookup (register const char *str, register unsigned int len)
 {
   enum
