bug#30405: 26.0.91; Incorrect apostrophe translation in ImageMagick error message

[Eli Zaretskii]

> From: Andreas Schwab <schwab@linux-m68k.org>
> Cc: Noam Postavsky <npostavs@users.sourceforge.net>,  eggert@cs.ucla.edu,  
> 30405@debbugs.gnu.org,  gazally@runbox.com
> Date: Sat, 10 Feb 2018 15:15:46 +0100
> 
> What I see in set_message_1 is that we set the echo area buffer
> multibyteness to the same as the string to be displayed.

That function is not called in the use case discussed here (I
initially also thought it was part of the story, but GDB convinced me
otherwise).  The function which is relevant here is
setup_echo_area_for_printing, it is called from PRINTPREPARE.