[niepce] Show a 0 rating of rating was unset.

[Hubert Figuière <hub src gnome org>]

commit c34dcc1b213e498833ac77ed1837ea266afe2833
Author: Hubert Figuiere <hub figuiere net>
Date:   Wed Jul 15 13:22:39 2009 -0400

    Show a 0 rating of rating was unset.

 ChangeLog                             |    4 ++++
 src/niepce/ui/librarycellrenderer.cpp |    5 ++++-
 2 files changed, 8 insertions(+), 1 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 51ac9f6..1c5d4e8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2009-07-15  Hubert Figuiere  <hub figuiere net>
+
+	* Show a 0 rating of rating was unset.
+
 2009-07-14  Hubert Figuiere  <hub figuiere net>
 
 	* Add cell renderer for the film strip.
diff --git a/src/niepce/ui/librarycellrenderer.cpp b/src/niepce/ui/librarycellrenderer.cpp
index 6195f42..57ab2a2 100644
--- a/src/niepce/ui/librarycellrenderer.cpp
+++ b/src/niepce/ui/librarycellrenderer.cpp
@@ -132,9 +132,12 @@ void drawRating(const Cairo::RefPtr<Cairo::Context> & cr,
                 const Cairo::RefPtr<Cairo::ImageSurface> & unstar,
                 const GdkRectangle & r)
 {
-    if(rating == -1 || !star || !unstar) {
+    if(!star || !unstar) {
         return;
     }
+    if(rating == -1) {
+        rating = 0;
+    }
     int w = star->get_width();
     int h = star->get_height();
     double x, y;