[gitg/highlight] Avoid return null if old or new file fails to load

[Alberto Fanjul <albfan src gnome org>]

commit 75e371dcc5eb613ee28fa7152aefb275ffe6bcfe
Author: Alberto Fanjul <albertofanjul gmail com>
Date:   Sun Aug 29 08:37:19 2021 +0200

    Avoid return null if old or new file fails to load

 libgitg/gitg-diff-view-file-renderer-text.vala | 2 --
 1 file changed, 2 deletions(-)
---
diff --git a/libgitg/gitg-diff-view-file-renderer-text.vala b/libgitg/gitg-diff-view-file-renderer-text.vala
index cabbca9a..6ef2a984 100644
--- a/libgitg/gitg-diff-view-file-renderer-text.vala
+++ b/libgitg/gitg-diff-view-file-renderer-text.vala
@@ -427,8 +427,6 @@ class Gitg.DiffViewFileRendererText : Gtk.SourceView, DiffSelectable, DiffViewFi
                        {
                                stderr.printf(@"ERROR: failed to load $(file.get_path()) for highlighting: 
$(e.message)\n");
                        }
-
-                       return null;
                }
 
                return buffer;