Bug#922659: Bug#930573: emacs: gnus/nnimap/gnutls race condition

[Tatsuya Kinoshita]

Control: reassign 922659 src:emacs 1:26.1+1-3.2
Control: reassign 930573 src:emacs 1:26.1+1-3.2
Control: forcemerge 922659 930573
Control: tags 922659 + patch fixed-upstream