* (bug 26560) On allusers if limit < total number of users, last user gets duplicate

If $lastUserData is set to null, it won't get added again!

RELEASE-NOTES

@@ -69,6 +69,7 @@ it from source control: http://www.mediawiki.org/wiki/Download_from_SVN
 * (bug 25767) Add userrights properties to allusers and users query lists
 * (bug 26558) list=allusers auprop=groups does not list groups a user is automatically a member of
 * (bug 26559) list=allusers auprop=rights does not match list=users usprop=rights
+* (bug 26560) On allusers if limit < total number of users, last user gets duplicate
 
 === Languages updated in 1.18 ===
 

includes/api/ApiQueryAllUsers.php

@@ -160,6 +160,9 @@ class ApiQueryAllUsers extends ApiQueryBase {
 				if ( is_array( $lastUserData ) ) {
 					$fit = $result->addValue( array( 'query', $this->getModuleName() ),
 							null, $lastUserData );
+
+					$lastUserData = null;
+
 					if ( !$fit ) {
 						$this->setContinueEnumParameter( 'from',
 								$this->keyToTitle( $lastUserData['name'] ) );