Fix #31 by returning early from make_message if we can't find a channel.
Fix #31 by returning early from make_message if we can't find a channel.

The channel is needed for some important fields (including filling in
the author data), so there's not much point continuing after failing
to find the right channel.

Signed-off-by: Laura F. D <07c342be6e560e7f43842e2e21b774e61d85f047@veriny.tf>

SunDwarf/curious