Hide warning if year maildir already exists

GLPI #40270

root/etc/cron.monthly/maillog-rotate

@@ -24,10 +24,9 @@ fi
 MONTH=$(date +%m)
 YEAR=$(date +%Y)
 
-su - -s /bin/bash $USER -c "maildirmake -f $YEAR $HOME/Maildir"
+su - -s /bin/bash $USER -c "maildirmake -f $YEAR $HOME/Maildir" 2>&1 > /dev/null
 su - -s /bin/bash $USER -c "maildirmake -f $YEAR.$MONTH $HOME/Maildir"
 
-
 # Lock mail delivery
 chmod +t $HOME
 cd $HOME