fix bug in group mangement

lib/group/database.php

@@ -130,7 +130,7 @@ class OC_Group_Database extends OC_Group_Backend {
 	 * removes the user from a group.
 	 */
 	public static function removeFromGroup( $uid, $gid ){
-		$query = OC_DB::prepare( "DELETE FROM `*PREFIX*group_user` WHERE `uid` = ? AND `gid` = ?" );
+		$query = OC_DB::prepare( "DELETE FROM *PREFIX*group_user WHERE uid = ? AND gid = ?" );
 		$result = $query->execute( array( $uid, $gid ));
 
 		return true;

settings/js/users.js

@@ -184,7 +184,13 @@ $(document).ready(function(){
 		select.data('username',username);
 		select.data('userGroups',groups.join(', '));
 		tr.find('td.groups').empty();
-		$.each($('#content table').data('groups').split(', '),function(i,group){
+		var allGroups=$('#content table').data('groups').split(', ');
+		for(var i=0;i<groups.length;i++){
+			if(allGroups.indexOf(groups[i])==-1){
+				allGroups.push(groups[i]);
+			}
+		}
+		$.each(allGroups,function(i,group){
 			select.append($('<option value="'+group+'">'+group+'</option>'));
 		});
 		tr.find('td.groups').append(select);