[gitg/gnome-3-20] Only walk first tree level looking for .doap

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

commit ab703d4f51d35637ce4b8a4bca8c360b7a956569
Author: Jesse van den Kieboom <jessevdk gnome org>
Date:   Sun Aug 14 10:26:09 2016 +0200

    Only walk first tree level looking for .doap

 libgitg/gitg-repository-list-box.vala |   14 +++++++++-----
 1 files changed, 9 insertions(+), 5 deletions(-)
---
diff --git a/libgitg/gitg-repository-list-box.vala b/libgitg/gitg-repository-list-box.vala
index 1755787..81809b7 100644
--- a/libgitg/gitg-repository-list-box.vala
+++ b/libgitg/gitg-repository-list-box.vala
@@ -180,14 +180,18 @@ namespace Gitg
                                                var tree = commit.get_tree();
 
                                                Ggit.OId? entry_id = null;
-                                               tree.walk(Ggit.TreeWalkMode.PRE, (root, entry) => {
-                                                       if (root == "" && entry.get_name() != null && 
entry.get_name().has_suffix(".doap"))
+
+                                               for (var i = 0; i < tree.size(); i++)
+                                               {
+                                                       var entry = tree.get(i);
+                                                       var name = entry.get_name();
+
+                                                       if (name != null && name.has_suffix(".doap"))
                                                        {
                                                                entry_id = entry.get_id();
-                                                               return 1;
+                                                               break;
                                                        }
-                                                       return 0;
-                                               });
+                                               }
 
                                                if (entry_id != null)
                                                {