Fix bug #1593073 Check_Log problem with log rotation

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1602 f882894a-f735-0410-b71e-b25c423dba1c

plugins-scripts/check_log.sh

@@ -197,7 +197,7 @@ else
     $CHMOD 600 $tempdiff
 fi
 
-$DIFF $logfile $oldlog > $tempdiff
+$DIFF $logfile $oldlog | $GREP -v "^>" > $tempdiff
 
 # Count the number of matching log entries we have
 count=`$GREP -c "$query" $tempdiff`