refine init script

start-stop-daemon can not process names longer than 15 characters!

debian/shadowsocks-libev.init

@@ -1,6 +1,6 @@
 #!/bin/sh
 ### BEGIN INIT INFO
-# Provides:          shadowsocks
+# Provides:          shadowsocks-libev
 # Required-Start:    $network $local_fs $remote_fs
 # Required-Stop:     $remote_fs
 # Default-Start:     2 3 4 5
@@ -73,7 +73,7 @@ do_stop()
     #   1 if daemon was already stopped
     #   2 if daemon could not be stopped
     #   other if a failure occurred
-    start-stop-daemon --stop --quiet --retry=KILL/5 --pidfile $PIDFILE --name $NAME
+    start-stop-daemon --stop --quiet --retry=KILL/5 --pidfile $PIDFILE --exec $DAEMON
     RETVAL="$?"
     [ "$RETVAL" = 2 ] && return 2
     # Wait for children to finish too if this is a daemon that forks