parsers.c: parse_manifest: fixing refcount of flags
When flags was DECREF'ed, scope was referencing to the outer variable,
outside of the block.
It was in fact always NULL: the real Python object was never decref'ed.
adding a
adding b
adding c
% should succeed
200 Script output follows
/al/
/b/
/c/
200 Script output follows
a
200 Script output follows
b
200 Script output follows
c
% should fail
404 Not Found
error: repository circle not found
404 Not Found
error: repository circle not found
404 Not Found
error: repository circle not found
% collections errors