[meld] Add translation note to disambiguate the unpushed commits messages

[Kai Willadsen <kaiw src gnome org>]

commit 2a98c698bd7908a5ef6df6ec9c9788d9565fb885
Author: Kai Willadsen <kai willadsen gmail com>
Date:   Sat Jun 22 07:13:10 2013 +1000

    Add translation note to disambiguate the unpushed commits messages

 meld/vc/git.py |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/meld/vc/git.py b/meld/vc/git.py
index 67c7532..a1e4d6c 100644
--- a/meld/vc/git.py
+++ b/meld/vc/git.py
@@ -126,6 +126,8 @@ class Vc(_vc.CachedVc):
                     ngettext("%d branch", "%d branches",
                              unpushed_branches) % unpushed_branches)
             else:
+                # Translators: These messages cover the case where there is
+                # only one branch, and are not part of another message.
                 label = ngettext("%d unpushed commit", "%d unpushed commits",
                                  unpushed_commits) % (unpushed_commits)
         else: