add missing ash symbol, reported via #openadk

package/busybox/Makefile

@@ -5,7 +5,7 @@ include $(ADK_TOPDIR)/rules.mk
 
 PKG_NAME:=		busybox
 PKG_VERSION:=		1.23.2
-PKG_RELEASE:=		2
+PKG_RELEASE:=		3
 PKG_HASH:=		05a6f9e21aad8c098e388ae77de7b2361941afa7157ef74216703395b14e319a
 PKG_DESCR:=		core utilities for embedded systems
 PKG_SECTION:=		base/apps

package/busybox/config/shell/Config.in

@@ -73,6 +73,13 @@ config BUSYBOX_ASH_BUILTIN_TEST
 	help
 	  Enable support for test builtin in ash.
 
+config BUSYBOX_ASH_HELP
+	bool "help builtin"
+	default y
+	depends on BUSYBOX_ASH
+	help
+	  Enable help builtin in ash.
+
 config BUSYBOX_ASH_CMDCMD
 	bool "'command' command to override shell builtins"
 	default y