[gitg] Lazily construct diff options

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

commit 94f138e1bc46af9d813b8a058d5be591cb5a6020
Author: Jesse van den Kieboom <jessevdk gnome org>
Date:   Thu Jul 10 16:53:55 2014 +0200

    Lazily construct diff options

 libgitg/gitg-diff-view.vala |   16 +++++++++++-----
 1 files changed, 11 insertions(+), 5 deletions(-)
---
diff --git a/libgitg/gitg-diff-view.vala b/libgitg/gitg-diff-view.vala
index 45b642f..9ea2ec0 100644
--- a/libgitg/gitg-diff-view.vala
+++ b/libgitg/gitg-diff-view.vala
@@ -52,7 +52,7 @@ namespace Gitg
                private Commit? d_commit;
                private Settings? d_fontsettings;
                private bool d_has_selection;
-               private Ggit.DiffOptions d_options;
+               private Ggit.DiffOptions? d_options;
 
                private static Gee.HashMap<string, DiffView> s_diff_map;
                private static uint64 s_diff_id;
@@ -62,7 +62,15 @@ namespace Gitg
 
                public Ggit.DiffOptions options
                {
-                       get { return d_options; }
+                       get
+                       {
+                               if (d_options == null)
+                               {
+                                       d_options = new Ggit.DiffOptions();
+                               }
+
+                               return d_options;
+                       }
                }
 
                [Notify]
@@ -388,8 +396,6 @@ namespace Gitg
                {
                        base.constructed();
 
-                       d_options = new Ggit.DiffOptions();
-
                        var settings = new WebKit.Settings();
 
                        var dbg = Environment.get_variable("GITG_GTK_DIFF_VIEW_DEBUG") != null;
@@ -475,7 +481,7 @@ namespace Gitg
 
                        if (d_commit != null)
                        {
-                               d_diff = d_commit.get_diff(d_options);
+                               d_diff = d_commit.get_diff(options);
                        }
 
                        if (d_diff != null)