[glom] Avoid uninitialized variables in CanvasGroupGrid

[David King <davidk src gnome org>]

commit cd5554f63f5fd89e1f474d6f28e15b992ab78886
Author: David King <davidk openismus com>
Date:   Tue Oct 5 13:25:00 2010 +0200

    Avoid uninitialized variables in CanvasGroupGrid
    
    * glom/utility_widgets/canvas/canvas_group_grid.cc: Initialize
    variables at declaration.

 ChangeLog                                        |    7 +++++++
 glom/utility_widgets/canvas/canvas_group_grid.cc |    5 ++++-
 2 files changed, 11 insertions(+), 1 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 4038c73..fcdb2bf 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2010-10-05  David King  <davidk openismus com>
+
+	Avoid uninitialized variables in CanvasGroupGrid
+
+	* glom/utility_widgets/canvas/canvas_group_grid.cc: Initialize
+	variables at declaration.
+
 2010-10-04  Murray Cumming  <murrayc murrayc com>
 
 	Choices Layout: Fields List: Slight improvement.
diff --git a/glom/utility_widgets/canvas/canvas_group_grid.cc b/glom/utility_widgets/canvas/canvas_group_grid.cc
index a5ba5eb..d87f46e 100644
--- a/glom/utility_widgets/canvas/canvas_group_grid.cc
+++ b/glom/utility_widgets/canvas/canvas_group_grid.cc
@@ -215,7 +215,10 @@ void CanvasGroupGrid::create_lines()
     m_grid_rules_group->remove_child(0);
 
   //Fill the parent canvas with lines:
-  double left, top, right, bottom = 0.0;
+  double left = 0.0;
+  double top = 0.0;
+  double right = 0.0;
+  double bottom = 0.0;
   Goocanvas::Canvas* canvas = get_canvas();
   if(canvas)
     canvas->get_bounds(left, top, right, bottom);