Fixed syncing specific mirrors from sync-mirrors script.

mirror/files/sync-mirrors

@@ -46,7 +46,7 @@ done
 shift `expr $OPTIND - 1`
 
 if [ $# -gt 0 ]; then
-    while true ; do
+    for mirror in $* ; do
         if [ ! -f ${CONFDIR}/$1.conf ]; then
             echo "ERR: No mirror named [$1]" 1>&2
             exit 1