[cheese] effects: don't use uninitialized ints

[Filippo Argiolas <fargiolas src gnome org>]

commit e105bf2d5e04043c9ac3944ed4b1409ae7e9e5f0
Author: Filippo Argiolas <filippo argiolas gmail com>
Date:   Thu Apr 22 08:21:52 2010 +0200

    effects: don't use uninitialized ints

 src/cheese-effect-chooser.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/cheese-effect-chooser.c b/src/cheese-effect-chooser.c
index 36d0b89..28a22f8 100644
--- a/src/cheese-effect-chooser.c
+++ b/src/cheese-effect-chooser.c
@@ -239,11 +239,12 @@ cheese_effect_chooser_button_press_event_cb (GtkWidget *widget, GdkEventButton *
   GtkAllocation allocation;
   int i;
   int col, row;
-  int slot = (row * BOARD_COLS + col);
+  int slot;
 
   gtk_widget_get_allocation (widget, &allocation);
   col  = (int) (button_event->x / allocation.width * BOARD_COLS);
   row  = (int) (button_event->y / allocation.height * BOARD_ROWS);
+  slot = (row * BOARD_COLS + col);
 
   priv->selected[slot] = !priv->selected[slot];