[gjs] GObject: use correct variable name

[Cosimo Cecchi <cosimoc src gnome org>]

commit e577b79ca40f5e8d0b9a4d9a4758fe7e8077a495
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Tue Oct 30 12:16:07 2012 -0400

    GObject: use correct variable name
    
    signal_name doesn't exist in scope, signalName does.

 modules/overrides/GObject.js |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/modules/overrides/GObject.js b/modules/overrides/GObject.js
index 13ae765..e5cf3d6 100644
--- a/modules/overrides/GObject.js
+++ b/modules/overrides/GObject.js
@@ -58,7 +58,7 @@ const GObjectMeta = new Lang.Class({
                 try {
                     obj.signal_id = Gi.signal_new(this.prototype, signalName, flags, accumulator, rtype, paramtypes);
                 } catch(e) {
-                    throw new TypeError('Invalid signal ' + signal_name + ': ' + e.message);
+                    throw new TypeError('Invalid signal ' + signalName + ': ' + e.message);
                 }
             }
         }