Search: fix Notice and thus broken search with activiated error reporting

lib/search/provider/file.php

@@ -10,6 +10,7 @@ class OC_Search_Provider_File extends OC_Search_Provider{
 
 			$name = basename($path);
 			$text = '';
+			$skip = false;
 			if($mime=='httpd/unix-directory') {
 				$link = OC_Helper::linkTo( 'files', 'index.php', array('dir' => $path));
 				$type = 'Files';
@@ -18,6 +19,7 @@ class OC_Search_Provider_File extends OC_Search_Provider{
 				$mimeBase = $fileData['mimepart'];
 				switch($mimeBase) {
 					case 'audio':
+						$skip = true;
 						break;
 					case 'text':
 						$type = 'Text';
@@ -33,7 +35,9 @@ class OC_Search_Provider_File extends OC_Search_Provider{
 						}
 				}
 			}
-			$results[] = new OC_Search_Result($name, $text, $link, $type);
+			if(!$skip) {
+				$results[] = new OC_Search_Result($name, $text, $link, $type);
+			}
 		}
 		return $results;
 	}