fixed style issues

Signed-off-by: Hendrik Leidinger <[email protected]>

Author: rikled

lib/Service/ApiService.php

@@ -131,7 +131,7 @@ public function create(?int $fileId = null, ?string $filePath = null, ?string $b
 
 		// Disable file locking for Readme.md files, because in the
 		// current setup, this makes it almost impossible to delete these files.
-		if (!$readOnly && strcasecmp($file->getName(), "Readme.md") !== 0) {
+		if (!$readOnly && strcasecmp($file->getName(), 'Readme.md') !== 0) {
 			$isLocked = $this->documentService->lock($file->getId());
 			if (!$isLocked) {
 				$readOnly = true;