when storing back the data field 'encrypted' it is necessary to cast the...

when storing back the data field 'encrypted' it is necessary to cast the boolean to an integer to make pg happy

lib/files/cache/scanner.php

@@ -121,6 +121,8 @@ class Scanner extends BasicEmitter {
 									}
 									$parentCacheData = $this->cache->get($parent);
 									$parentCacheData['etag'] = $this->storage->getETag($parent);
+									// the boolean to int conversion is necessary to make pg happy
+									$parentCacheData['encrypted'] = $parentCacheData['encrypted'] ? 1 : 0;
 									$this->cache->put($parent, $parentCacheData);
 								}
 							}

tests/lib/files/cache/scanner.php

@@ -195,6 +195,7 @@ class Scanner extends \PHPUnit_Framework_TestCase {
 		$data1 = $this->cache->get('folder');
 		$data2 = $this->cache->get('');
 		$data0['etag'] = '';
+		$data0['encrypted'] = $data0['encrypted'] ? 1: 0;
 		$this->cache->put('folder/bar.txt', $data0);
 
 		// rescan