[kupfer] plugin.google: Add searchplugins dir for firefox-addons

[Ulrik Sverdrup <usverdrup src gnome org>]

commit fa277298d34b694fd54ba842d6c878a11ccbd058
Author: Francesco Marella <francesco marella gmail com>
Date:   Wed Sep 30 23:39:06 2009 +0200

    plugin.google: Add searchplugins dir for firefox-addons

 kupfer/plugin/google.py |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/kupfer/plugin/google.py b/kupfer/plugin/google.py
index 0a88865..47595f6 100644
--- a/kupfer/plugin/google.py
+++ b/kupfer/plugin/google.py
@@ -169,6 +169,10 @@ class OpenSearchSource (Source):
 		plugin_dirs.extend(config.get_data_dirs("searchplugins",
 			package="iceweasel"))
 
+		addon_dir = "/usr/lib/firefox-addons/searchplugins"
+		if os.path.exists(addon_dir):
+			plugin_dirs.append(addon_dir)
+
 		self.output_debug("Found following searchplugins directories",
 				sep="\n", *plugin_dirs)