gnucash maint: Multiple changes pushed

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/4f51f172 (commit)
	 via  https://github.com/Gnucash/gnucash/commit/b1fdf781 (commit)
	from  https://github.com/Gnucash/gnucash/commit/7e9463db (commit)



commit 4f51f172237f888b7b9819f7bf589e16cbcbe345
Author: John Ralls <jralls at ceridwen.us>
Date:   Mon Apr 22 11:25:34 2019 -0700

    Remove unset _GUILE_LD_LIBRARY_PATH from GncAddSchemeTargets.

commit b1fdf781ecc4acb974e38077887db4dcce3ff109
Author: John Ralls <jralls at ceridwen.us>
Date:   Mon Apr 22 10:04:48 2019 -0700

    Adjust GncAddSchemeTargets.cmake to build with Guile2.2 on MinGS64.



Summary of changes:
 common/cmake_modules/GncAddSchemeTargets.cmake | 48 ++++++++++++++------------
 1 file changed, 25 insertions(+), 23 deletions(-)