--- a/Plugins/VcsPlugins/vcsMercurial/HgDiffDialog.py	Mon Mar 02 19:02:05 2015 +0100
+++ b/Plugins/VcsPlugins/vcsMercurial/HgDiffDialog.py	Mon Mar 02 19:09:27 2015 +0100
@@ -53,6 +53,8 @@
         
         self.searchWidget.attachTextEdit(self.contents)
         
+        self.vcs = vcs
+        
         font = Preferences.getEditorOtherFonts("MonospacedFont")
         self.contents.setFontFamily(font.family())
         self.contents.setFontPointSize(font.pointSize())