openwrt: some fixes

package/openwrt/files/etc/init.d/smartdns

@@ -347,6 +347,7 @@ load_domain_rule_list()
 
 	config_get addition_flag "$section" "addition_flag" ""
 	[ ! -z "$addition_flag" ] && domain_set_args="$domain_set_args $addition_flag"
+	[ -z "$domain_set_args" ] && return
 
 	conf_append "domain-set" "-name domain-rule-list-${domain_set_name} -file '$domain_list_file'"
 	conf_append "domain-rules" "/domain-set:domain-rule-list-${domain_set_name}/ $domain_set_args"	

package/openwrt/make.sh

@@ -74,6 +74,10 @@ build()
 		echo "Installed-Size: $INST_SIZE" >> $ROOT/control/control
 	fi
 
+	if [ "$STATIC" = "yes" ]; then
+		sed -i "s/Depends:.*/Depends: libc/" $ROOT/control/control
+	fi
+
 	cd $ROOT/control
 	chmod +x *
 	tar zcf ../control.tar.gz --owner=0 --group=0 ./