shadowsocks-libev: ss-rules: resolve server names before adding to ipset

ipset command line utility supports ranges of address: IP-IP, but the
dash character is also valid character in host names.  If we have a
remote server ss-00.example.com, ipset may complain that

    ipset v6.32: Syntax error: cannot parse ss: resolving to IPv4 address failed

Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>

net/shadowsocks-libev/Makefile

@@ -14,7 +14,7 @@ include $(TOPDIR)/rules.mk
 #
 PKG_NAME:=shadowsocks-libev
 PKG_VERSION:=3.0.8
-PKG_RELEASE:=9
+PKG_RELEASE:=10
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://github.com/shadowsocks/shadowsocks-libev/releases/download/v$(PKG_VERSION)
@@ -81,7 +81,7 @@ define Package/shadowsocks-libev-ss-rules
   SUBMENU:=Web Servers/Proxies
   TITLE:=shadowsocks-libev ss-rules
   URL:=https://github.com/shadowsocks/shadowsocks-libev
-  DEPENDS:=+ip +ipset +iptables-mod-tproxy +shadowsocks-libev-ss-redir +shadowsocks-libev-config
+  DEPENDS:=+ip +ipset +iptables-mod-tproxy +resolveip +shadowsocks-libev-ss-redir +shadowsocks-libev-config
 endef
 
 define Package/shadowsocks-libev-ss-rules/install

net/shadowsocks-libev/files/ss-rules

@@ -112,6 +112,7 @@ ss_rules_parse_args() {
 		__errmsg "Please install iptables-mod-conntrack-extra with opkg"
 		return 1
 	fi
+	o_remote_servers="$(for s in $o_remote_servers; do resolveip "$s"; done)"
 }
 
 ss_rules_flush() {