[snapshot/master] Fix potential but unlikely db handle leak

[Peter Palfrader <peter@palfrader.org>]

---
 web/app/snapshot/controllers/root.py |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/web/app/snapshot/controllers/root.py b/web/app/snapshot/controllers/root.py
index 44a4196..1737ebe 100644
--- a/web/app/snapshot/controllers/root.py
+++ b/web/app/snapshot/controllers/root.py
@@ -12,14 +12,15 @@ log = logging.getLogger(__name__)
 
 class RootController(BaseController):
     def index(self):
-        db = DBInstance(g.pool)
+        db = None
         try:
+            db = DBInstance(g.pool)
             c.names = link_quote_array(g.shm.archives_get_list(db))
             c.srcstarts = link_quote_array(g.shm.packages_get_name_starts(db))
             set_expires(int(config['app_conf']['expires.root']))
             return render('/root.mako')
         finally:
-            db.close()
+            if not db is None: db.close()
 
 
     def _build_crumbs(self, page=None):
-- 
1.5.6.5