[cheese] json: fix a boolean property defined as a string

[Filippo Argiolas <fargiolas src gnome org>]

commit 6383bb102448e225dd2b27603905b4fbb6bb757e
Author: Filippo Argiolas <filippo argiolas gmail com>
Date:   Thu Aug 12 20:21:52 2010 +0200

    json: fix a boolean property defined as a string
    
    Fixes a g_value_copy incompatible types critical warning at runtime

 data/cheese-viewport.json |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/cheese-viewport.json b/data/cheese-viewport.json
index 9171381..da75cf2 100644
--- a/data/cheese-viewport.json
+++ b/data/cheese-viewport.json
@@ -30,7 +30,7 @@
   "child::x-align": "CLUTTER_BIN_ALIGNMENT_CENTER",
   "child::y-align": "CLUTTER_BIN_ALIGNMENT_CENTER",
   "color": "White",
-  "visible": "False"
+  "visible": false
 },
 {
   "id": "viewport_layout",