pidgin/pidgin

Merged in discord-ssl-crash (pull request #679)
release-2.x.y
2020-04-09, Gary Kramlich
0988a438ed3e
Merged in discord-ssl-crash (pull request #679)

Make ssl_nss_read robust against bogus connection, like ssl_nss_write is

Approved-by: Gary Kramlich
Approved-by: Eion Robb
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