shadowsocks-libev: ss-rules: fix multiple continous \x20 in $o_ifnames

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:=11
+PKG_RELEASE:=12
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://github.com/shadowsocks/shadowsocks-libev/releases/download/v$(PKG_VERSION)

net/shadowsocks-libev/files/ss-rules

@@ -253,7 +253,7 @@ ss_rules_iptchains_mkprerules() {
 	if [ -z "$o_ifnames" ]; then
 		echo "-I PREROUTING 1 -p $proto -j ss_rules_pre_src"
 	else
-		echo "$o_ifnames" \
+		echo $o_ifnames \
 			| tr ' ' '\n' \
 			| sed "s/.*/-I PREROUTING 1 -i \\0 -p $proto -j ss_rules_pre_src/"
 	fi