Bug#1023789: thunderbird: FTBFS: error: no matching function for call to 'arc4random_buf'

[Daniel Serpell]

Dear maintainer,

This is thunderbird bug https://bugzilla.mozilla.org/show_bug.cgi?id=1782988

There is a simple patch available: https://hg.mozilla.org/try/rev/4f3ccad09064

Regards,
    Daniel.