Tiny change to save_user_queue() to prevent the user losing their queue when

they clear the file name in the save dialog and hit okay - before it would
behave as a 'cancel' and now it presents the dialog again. Thanks to Pierre
Cazenave for the suggestion.

src/usr/sbin/sbopkg

@@ -1665,7 +1665,7 @@ save_user_queue() {
             2> $USERQUEUE
         if [[ $? == 0 ]]; then
             if [[ ! -s $USERQUEUE ]]; then
-                break
+                continue
             fi
             USERQUEUE_NAME="$(< $USERQUEUE)"
             DEFAULT="${USERQUEUE_NAME##*/}"