[gitg/wip/submodules] Manually sort status items

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

commit 4f488dc4b86fac5cce892cc496619803a4853c65
Author: Jesse van den Kieboom <jessevdk gmail com>
Date:   Sun Dec 14 12:07:51 2014 +0100

    Manually sort status items
    
    This is needed due to the separation of submodules and files.

 gitg/commit/gitg-commit.vala |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)
---
diff --git a/gitg/commit/gitg-commit.vala b/gitg/commit/gitg-commit.vala
index f612e6d..07ffd82 100644
--- a/gitg/commit/gitg-commit.vala
+++ b/gitg/commit/gitg-commit.vala
@@ -609,7 +609,13 @@ namespace GitgCommit
                {
                        var ret = new Sidebar.Item[0];
 
-                       foreach (var item in items)
+                       var sorted = new Gee.ArrayList<Gitg.StageStatusItem>.wrap(items);
+
+                       sorted.sort((a, b) => {
+                               return a.path.casefold().collate(b.path.casefold());
+                       });
+
+                       foreach (var item in sorted)
                        {
                                var sitem = new Sidebar.Item(item, type);