fix the broken image path on the apps page

settings/ajax/apps/ocs.php

@@ -40,7 +40,7 @@ if(is_array($catagoryNames)) {
 
 		if(!$local) {
 			if($app['preview']=='') {
-				$pre='trans.png';
+				$pre=OC_Helper::imagePath('settings','trans.png');
 			} else {
 				$pre=$app['preview'];
 			}

settings/apps.php

@@ -77,7 +77,7 @@ foreach ( $installedApps as $app ) {
 		
 		}
 		
-		$info['preview'] = 'trans.png';
+		$info['preview'] = OC_Helper::imagePath('settings','trans.png');
 		
 		$info['version'] = OC_App::getAppVersion($app);