BugFix - check_reversetunnel

check_reversetunnel

     exit $NAGIOS_ERROR
 else
     # there is an autossh process
-    ps x -q $AUTOSSH_PIDs | grep $MULTIMEDIA_TUNNEL_REGEX 2>&1 > /dev/null
+    ps x -q $AUTOSSH_PIDs | grep "$MULTIMEDIA_TUNNEL_REGEX" 2>&1 > /dev/null
     if [ $? -eq 0 ]; then
         echo "OK - The required autossh process is running"
         exit $NAGIOS_OK