demandimport: blacklist gtk
Demandimport breaks gtk. You get a meaningless error about
'failed loading gobject\_gobject.pyd'. Mercurial does not use gtk,
but this trips up many extension writers.
adding a
b renamed from a:b789fdd96dc2f3bd229c1dd8eedf0fc60e2b68e3
a renamed from b:9a263dd772e0159ddfa70fb8a448bb6c7ec8c69f
% test with --rev
b renamed from a:b789fdd96dc2f3bd229c1dd8eedf0fc60e2b68e3