[uniquemm] Replace NULL with 0

[Fabien Parent <fparent src gnome org>]

commit 00de74ea9f72ac361901fa2684f0109bd8a96119
Author: Fabien Parent <parent f gmail com>
Date:   Tue Apr 27 11:00:02 2010 +0200

    Replace NULL with 0

 unique/src/app.ccg |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/unique/src/app.ccg b/unique/src/app.ccg
index b80bc89..321dc14 100644
--- a/unique/src/app.ccg
+++ b/unique/src/app.ccg
@@ -21,7 +21,7 @@ namespace Unique
 {
 
 App::App(const Glib::ustring& name, const Glib::ustring& startup_id) :
-  _CONSTRUCT("name", name.c_str(), "startup_id", (startup_id.empty() ? NULL : startup_id.c_str()))
+  _CONSTRUCT("name", name.c_str(), "startup_id", (startup_id.empty() ? 0 : startup_id.c_str()))
 {
 }