OC\Preview - fix logic of two return values

diff --git a/lib/preview.php b/lib/preview.php
index fba1d893e086a26f9adfa6803196db533e066428..cc287595f400d1856b4259b05f070c0a8a45ad85 100755 (executable)
--- a/lib/preview.php
+++ b/lib/preview.php
@@ -250,7 +250,7 @@ class Preview {
 
                $previewpath = $this->getThumbnailsFolder() . '/' . $fileid . '/' . $this->getMaxX() . '-' . $this->getMaxY() . '.png';
                $this->userview->unlink($previewpath);
-               return $this->userview->file_exists($previewpath);
+               return !$this->userview->file_exists($previewpath);
        }
 
        /**
@@ -266,7 +266,7 @@ class Preview {
                $previewpath = $this->getThumbnailsFolder() . '/' . $fileid . '/';
                $this->userview->deleteAll($previewpath);
                $this->userview->rmdir($previewpath);
-               return $this->userview->is_dir($previewpath);
+               return !$this->userview->is_dir($previewpath);
        }
 
        /**