Bug 719476 - [IMAPx] Always run IDLE on Inbox folder - take ][
Bug 719476 - [IMAPx] Always run IDLE on Inbox folder - take ][

The imapx_maybe_select() requires to hold the queue lock, which
I overlooked in the initial change.

tintou/evolution-data-server,matzipan/evolution-data-server,matzipan/evolution-data-server,matzipan/evolution-data-server,tintou/evolution-data-server,matzipan/evolution-data-server,tintou/evolution-data-server,matzipan/evolution-data-server,tintou/evolution-data-server