[gitg] Hide parents chooser if necessary

[Jesse van den Kieboom <jessevdk src gnome org>]

commit 8ce968ec7b22117b4b79e675670ebcf0a85471a1
Author: Jesse van den Kieboom <jessevdk gmail com>
Date:   Sat Dec 20 11:59:17 2014 +0100

    Hide parents chooser if necessary

 libgitg/resources/diff-view.js |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/libgitg/resources/diff-view.js b/libgitg/resources/diff-view.js
index 8ab37ca..589b5ce 100644
--- a/libgitg/resources/diff-view.js
+++ b/libgitg/resources/diff-view.js
@@ -192,6 +192,10 @@ function write_commit(content, commit)
 
                elems.parent_chooser.html([span, chooser]);
        }
+       else
+       {
+               elems.parent_chooser.html('');
+       }
 
        if (commit.parents.length > 1 && settings.show_parents)
        {