gnucash master: Multiple changes pushed

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/94fdc42f (commit)
	 via  https://github.com/Gnucash/gnucash/commit/b9b51efa (commit)
	from  https://github.com/Gnucash/gnucash/commit/3d6a06d5 (commit)



commit 94fdc42f16a2df67cbbf0a31a960edf373ee00b9
Author: John Ralls <jralls at ceridwen.us>
Date:   Mon May 11 12:35:42 2020 -0700

    Fix wrong Boost library variable names.

commit b9b51efa8df888d29b3ab8c13d84384afaff02da
Author: John Ralls <jralls at ceridwen.us>
Date:   Mon May 11 12:31:49 2020 -0700

    Don't use g_return_value_if_fail in qof_log_check.
    
    It causes GnuCash to crash if g_log is called without having set
    G_LOG_DOMAIN.
    
    Also extract a singleton getter function to ensure that the static
    root module has been created before use.



Summary of changes:
 libgnucash/engine/CMakeLists.txt |  4 ++--
 libgnucash/engine/qoflog.cpp     | 52 ++++++++++++++++++++++++++++------------
 2 files changed, 39 insertions(+), 17 deletions(-)