Bug 1080007 - Fix "octal literals and octal escape sequences are deprecated" warning in testing/specialpowers. r=mrbkap.

--HG--
extra : rebase_source : 116c669f4226a8e5e0ee26e7d8be140a35264852

testing/specialpowers/content/MockFilePicker.jsm

@@ -89,7 +89,7 @@ this.MockFilePicker = {
   useAnyFile: function() {
     var file = FileUtils.getDir("TmpD", [], false);
     file.append("testfile");
-    file.createUnique(Ci.nsIFile.NORMAL_FILE_TYPE, 0644);
+    file.createUnique(Ci.nsIFile.NORMAL_FILE_TYPE, 0o644);
     this.returnFiles = [file];
   },