[gitg] Fix assertion when loading a repo from the dash

[Ignacio Casal Quinteiro <icq src gnome org>]

commit 3fd4e1151560c05c32e0bc8cd9dbc122044fcc98
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Mon Jan 11 20:58:42 2016 +0100

    Fix assertion when loading a repo from the dash
    
    The repository might be null

 libgitg/gitg-diff-view-file-renderer-text.vala |    4 ++--
 libgitg/gitg-diff-view-file.vala               |   10 +++++-----
 2 files changed, 7 insertions(+), 7 deletions(-)
---
diff --git a/libgitg/gitg-diff-view-file-renderer-text.vala b/libgitg/gitg-diff-view-file-renderer-text.vala
index 5800104..c8d5e95 100644
--- a/libgitg/gitg-diff-view-file-renderer-text.vala
+++ b/libgitg/gitg-diff-view-file-renderer-text.vala
@@ -84,7 +84,7 @@ class Gitg.DiffViewFileRendererText : Gtk.SourceView, DiffSelectable, DiffViewFi
 
        public int maxlines { get; set; }
        public Ggit.DiffDelta? delta { get; construct set; }
-       public Repository repository { get; construct set; }
+       public Repository? repository { get; construct set; }
 
        public bool highlight
        {
@@ -155,7 +155,7 @@ class Gitg.DiffViewFileRendererText : Gtk.SourceView, DiffSelectable, DiffViewFi
                }
        }
 
-       public DiffViewFileRendererText(Repository repository, Ggit.DiffDelta delta, bool new_is_workdir, 
bool can_select)
+       public DiffViewFileRendererText(Repository? repository, Ggit.DiffDelta delta, bool new_is_workdir, 
bool can_select)
        {
                Object(repository: repository, new_is_workdir: new_is_workdir, delta: delta, can_select: 
can_select);
        }
diff --git a/libgitg/gitg-diff-view-file.vala b/libgitg/gitg-diff-view-file.vala
index 1ed0986..759e10d 100644
--- a/libgitg/gitg-diff-view-file.vala
+++ b/libgitg/gitg-diff-view-file.vala
@@ -97,14 +97,14 @@ class Gitg.DiffViewFile : Gtk.Grid
        }
 
        public Ggit.DiffDelta? delta { get; construct set; }
-       public Repository repository { get; construct set; }
+       public Repository? repository { get; construct set; }
 
-       public DiffViewFile(Repository repository, Ggit.DiffDelta delta)
+       public DiffViewFile(Repository? repository, Ggit.DiffDelta delta)
        {
                Object(repository: repository, delta: delta);
        }
 
-       public DiffViewFile.text(Repository repository, Ggit.DiffDelta delta, bool new_is_workdir, bool 
handle_selection)
+       public DiffViewFile.text(Repository? repository, Ggit.DiffDelta delta, bool new_is_workdir, bool 
handle_selection)
        {
                this(repository, delta);
 
@@ -115,12 +115,12 @@ class Gitg.DiffViewFile : Gtk.Grid
                this.renderer.bind_property("removed", d_diff_stat_file, "removed");
        }
 
-       public DiffViewFile.binary(Repository repository, Ggit.DiffDelta delta)
+       public DiffViewFile.binary(Repository? repository, Ggit.DiffDelta delta)
        {
                this(repository, delta);
        }
 
-       public DiffViewFile.image(Repository repository, Ggit.DiffDelta delta)
+       public DiffViewFile.image(Repository? repository, Ggit.DiffDelta delta)
        {
                this(repository, delta);
        }