[PATCH StGIT] Fix deleting series trash directory

[PATCH StGIT] Fix deleting series trash directory

[Roland Dreier]

When deleting a series, the loop that iterates through the files in
__trash_dir needs to add __trash_dir to the filename that it passes to
os.remove().

Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
diff --git a/stgit/stack.py b/stgit/stack.py
index b0a01dd..4e5ddb3 100644
--- a/stgit/stack.py
+++ b/stgit/stack.py
@@ -665,7 +665,7 @@ class Series(StgitObject):
 
             # remove the trash directory
             for fname in os.listdir(self.__trash_dir):
-                os.remove(fname)
+                os.remove(os.path.join(self.__trash_dir, fname))
             os.rmdir(self.__trash_dir)
 
             # FIXME: find a way to get rid of those manual removals