search for display name and uid (with no display name) since it is possible...

search for display name and uid (with no display name) since it is possible that not all users have a seperate display name

lib/user/database.php

@@ -158,10 +158,20 @@ class OC_User_Database extends OC_User_Backend {
 		$query = OC_DB::prepare('SELECT `uid`, `displayname` FROM `*PREFIX*users` WHERE LOWER(`displayname`) LIKE LOWER(?)', $limit, $offset);
 		$result = $query->execute(array($search.'%'));
 		$users = array();
+		while ($row = $result->fetchRow()) {
+			$displayNames[$row['uid']] = $row['displayname'];
+		}
+		
+		// let's see if we can also find some users who don't have a display name yet
+		$query = OC_DB::prepare('SELECT `uid`, `displayname` FROM `*PREFIX*users` WHERE LOWER(`uid`) LIKE LOWER(?)', $limit, $offset);
+		$result = $query->execute(array($search.'%'));
 		while ($row = $result->fetchRow()) {
 			$displayName =  trim($row['displayname'], ' ');
-			$displayNames[$row['uid']] = empty($displayName) ? $row['uid'] : $displayName;
+			if ( empty($displayName) )
+			$displayNames[$row['uid']] = $row['uid'];
 		}
+		
+		
 		return $displayNames;
 	}