[gnome-tweak-tool] Use extension-specific path to find prefs.js

[John Stowers <jstowers src gnome org>]

commit 577d7991361ab25ee2dc6890bafaf0e635ad36dd
Author: Ralph Bean <rbean redhat com>
Date:   Wed Apr 10 01:15:45 2013 -0400

    Use extension-specific path to find prefs.js
    
    https://bugzilla.gnome.org/show_bug.cgi?id=697685

 gtweak/tweaks/tweak_shell_extensions.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtweak/tweaks/tweak_shell_extensions.py b/gtweak/tweaks/tweak_shell_extensions.py
index 066456d..5e37ade 100644
--- a/gtweak/tweaks/tweak_shell_extensions.py
+++ b/gtweak/tweaks/tweak_shell_extensions.py
@@ -48,7 +48,7 @@ class _ShellExtensionTweak(Tweak):
 
         widgets = []
         if self._shell.SUPPORTS_EXTENSION_PREFS:
-            prefs = os.path.join(self._shell.EXTENSION_DIR, uuid, "prefs.js")
+            prefs = os.path.join(ext['path'], "prefs.js")
             if os.path.exists(prefs):
                 cfg = build_tight_button(Gtk.STOCK_PREFERENCES)
                 cfg.connect("clicked", self._on_configure_clicked, uuid)