gnucash-on-windows master: Change handling of html help workshop installation failure.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash-on-windows/commit/fe22df60 (commit)
	from  https://github.com/Gnucash/gnucash-on-windows/commit/fa0ddaff (commit)



commit fe22df601c6d5b181db35052c5b17ce3e70fd417
Author: John Ralls <jralls at ceridwen.us>
Date:   Sun Apr 21 10:16:35 2019 -0700

    Change handling of html help workshop installation failure.
    
    Instead of bailing out, print a more detailed error and continue with
    the rest of the script.



Summary of changes:
 setup-mingw64.ps1 | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)