[libpeas] Avoid creating globals in the demo Lua plugin

[Garrett Regier <gregier src gnome org>]

commit 0aae4478e409a8ae864e4b83e76b78986603135a
Author: Garrett Regier <garrettregier gmail com>
Date:   Sun Jan 18 05:10:26 2015 -0800

    Avoid creating globals in the demo Lua plugin

 peas-demo/plugins/luahello/luahello.lua |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)
---
diff --git a/peas-demo/plugins/luahello/luahello.lua b/peas-demo/plugins/luahello/luahello.lua
index 8d50bc9..14dc746 100644
--- a/peas-demo/plugins/luahello/luahello.lua
+++ b/peas-demo/plugins/luahello/luahello.lua
@@ -6,7 +6,7 @@ local Peas = lgi.Peas
 local PeasGtk = lgi.PeasGtk
 
 
-LuaHelloPlugin = GObject.Object:derive('LuaHelloPlugin', {
+local LuaHelloPlugin = GObject.Object:derive('LuaHelloPlugin', {
     Peas.Activatable
 })
 
@@ -17,7 +17,7 @@ LuaHelloPlugin._property.object =
                               GObject.ParamFlags.WRITABLE })
 
 function LuaHelloPlugin:do_activate()
-    window = self.priv.object
+    local window = self.priv.object
     print('LuaHelloPlugin:do_activate', tostring(window))
     self.priv.label = Gtk.Label.new('Lua Says Hello!')
     self.priv.label:show()
@@ -25,19 +25,19 @@ function LuaHelloPlugin:do_activate()
 end
 
 function LuaHelloPlugin:do_deactivate()
-    window = self.priv.object
+    local window = self.priv.object
     print('LuaHelloPlugin:do_deactivate', tostring(window))
     window:get_child():remove(self.priv.label)
     self.priv.label:destroy()
 end
 
 function LuaHelloPlugin:do_update_state()
-    window = self.priv.object
+    local window = self.priv.object
     print('LuaHelloPlugin:do_update_state', tostring(window))
 end
 
 
-LuaHelloConfigurable = GObject.Object:derive('LuaHelloConfigurable', {
+local LuaHelloConfigurable = GObject.Object:derive('LuaHelloConfigurable', {
     PeasGtk.Configurable
 })