gnucash maint: Avoid unnecessary g_list_length in equality functions

[Christopher Lam]

Updated	 via  https://github.com/Gnucash/gnucash/commit/f40dbb8c (commit)
	from  https://github.com/Gnucash/gnucash/commit/f0970c8e (commit)



commit f40dbb8c28885a0c44cb4fcadd871acd2b77504a
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Tue Oct 19 19:15:13 2021 +0800

    Avoid unnecessary g_list_length in equality functions



Summary of changes:
 libgnucash/engine/qofquery.cpp     | 15 +++++++++------
 libgnucash/engine/qofquerycore.cpp | 10 ++++++----
 2 files changed, 15 insertions(+), 10 deletions(-)