package/unscd: add PID file to init script

unscd creates/manages it's own PID file. Pass PID file reference to
start-stop-daemon.

Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Doug Kehn <rdkehn@yahoo.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/unscd/S46unscd

@@ -2,16 +2,17 @@
 
 NAME="nscd"
 DAEMON="/usr/sbin/${NAME}"
+PID_F="/var/run/nscd/${NAME}.pid"
 
 case "$1" in
 start)
         printf "Starting ${NAME}: "
-        start-stop-daemon -S -x ${DAEMON}
+        start-stop-daemon -S -p ${PID_F} -x ${DAEMON}
         [ $? -eq 0 ] && echo "OK" || echo "FAIL"
         ;;
 stop)
         printf "Stopping ${NAME}: "
-        start-stop-daemon -K -x ${DAEMON}
+        start-stop-daemon -K -p ${PID_F}
         [ $? -eq 0 ] && echo "OK" || echo "FAIL"
         ;;
 restart|reload)