[gitg] Return true in option callbacks

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

commit 16b75d4deebc411d1ebd5915b4b377c209c388ae
Author: Jesse van den Kieboom <jessevdk gmail com>
Date:   Mon Dec 8 18:55:19 2014 +0100

    Return true in option callbacks
    
    This fixes the issue where the return value from these
    callbacks is just a random value, for example false, which
    in turn makes -c/--commit not work.

 gitg/gitg-application.vala |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/gitg/gitg-application.vala b/gitg/gitg-application.vala
index ba44f7c..636c4ec 100644
--- a/gitg/gitg-application.vala
+++ b/gitg/gitg-application.vala
@@ -45,9 +45,10 @@ public class Application : Gtk.Application
 
                public static ApplicationCommandLine command_line;
 
-               private static void commit_activity()
+               private static bool commit_activity()
                {
                        activity = "commit";
+                       return true;
                }
 
                public static const OptionEntry[] entries = {
@@ -74,13 +75,14 @@ public class Application : Gtk.Application
                Options.activity = "";
        }
 
-       private static void show_version_and_quit()
+       private static bool show_version_and_quit()
        {
                stdout.printf("%s %s\n",
                              Environment.get_application_name(),
                              Config.VERSION);
 
                Options.quit = true;
+               return true;
        }
 
        private void parse_command_line(ref unowned string[] argv) throws OptionError