* providers/imap/camel-imap-folder.c (camel_imap_folder_selected,
imap_append_offline, imap_append_online,
camel_imap_folder_changed): lock the cache around accesses
* providers/imap/camel-imap-store.c (get_folder_online): ref the
newly-created folder (as current_folder) before calling
camel_imap_folder_selected, in case that needs to do something
that causes another folder to become current...
svn path=/trunk/; revision=10509