busybox: fix dependency for IPV6

Signed-off-by: Rosy Song <rosysong@rosinson.com>

package/utils/busybox/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=busybox
 PKG_VERSION:=1.29.3
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 PKG_FLAGS:=essential
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2

package/utils/busybox/config/networking/Config.in

@@ -9,6 +9,7 @@ menu "Networking Utilities"
 config BUSYBOX_CONFIG_FEATURE_IPV6
 	bool "Enable IPv6 support"
 	default BUSYBOX_DEFAULT_FEATURE_IPV6
+	depends on IPV6
 	help
 	  Enable IPv6 support in busybox.
 	  This adds IPv6 support in the networking applets.