applications/luci-polipo: fix typo in polipo_purge script (#523)

diff --git a/applications/luci-polipo/root/usr/sbin/polipo_purge b/applications/luci-polipo/root/usr/sbin/polipo_purge
index ce7c885..23ba571 100755 (executable)
--- a/applications/luci-polipo/root/usr/sbin/polipo_purge
+++ b/applications/luci-polipo/root/usr/sbin/polipo_purge
@@ -5,7 +5,7 @@ PIDFILE=`uci get polipo.daemon.pidFile`
 CFGFILE=/var/etc/polipo.conf
 
 [ -e "$PIDFILE" ] && {
-       PID=`cat $PID_FILE`
+       PID=`cat $PIDFILE`
 
        # send Polipo USR1 signal to write its in-memory cache to disk
        kill -USR1 $PID