[niepce] Fix warning: missing prototype

[Hubert FiguiÃre <hub src gnome org>]

commit eafd30aef8b8e8ff13c741f879f61dbfc61e0ec3
Author: Hub Figuiere <hub figuiere net>
Date:   Sat Nov 19 20:23:52 2011 -0800

    Fix warning: missing prototype

 src/fwk/utils/pathutils.cpp |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/fwk/utils/pathutils.cpp b/src/fwk/utils/pathutils.cpp
index 4efc0bc..c586ecd 100644
--- a/src/fwk/utils/pathutils.cpp
+++ b/src/fwk/utils/pathutils.cpp
@@ -25,6 +25,8 @@
 
 namespace fwk {
 
+void _path_remove_recursive(const Glib::RefPtr<Gio::File> & dir);
+
 /** return the basename of a path. Example:
     /foo/bar/baz.txt returns baz.txt
  */