shadowsocks-libev: remove unnecessary curly braces

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:=3.1.3
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 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/shadowsocks-libev.init

@@ -264,15 +264,15 @@ validate_common_options_() {
 }
 
 validate_server_section() {
-	validate_common_server_options_ server "$1" "${2}"
+	validate_common_server_options_ server "$1" "$2"
 }
 
 validate_ss_local_section() {
-	validate_common_client_options_ ss_local "$1" "${2}"
+	validate_common_client_options_ ss_local "$1" "$2"
 }
 
 validate_ss_redir_section() {
-	validate_common_client_options_ ss_redir "$1" "${2}"
+	validate_common_client_options_ ss_redir "$1" "$2"
 }
 
 validate_ss_rules_section() {
@@ -298,12 +298,12 @@ validate_ss_rules_section() {
 validate_ss_server_section() {
 	validate_common_server_options_ ss_server "$1" \
 		validate_common_options_ \
-		"${2}" \
+		"$2" \
 		'bind_address:ipaddr'
 }
 
 validate_ss_tunnel_section() {
 	validate_common_client_options_ ss_tunnel "$1" \
-		"${2}" \
+		"$2" \
 		'tunnel_address:regex(".+\:[0-9]+")'
 }