gnucash maint: Fix some typos

[Geert Janssens]

Updated	 via  https://github.com/Gnucash/gnucash/commit/67ab9e90 (commit)
	from  https://github.com/Gnucash/gnucash/commit/f4c6d653 (commit)



commit 67ab9e90d264979d46a3426100160fbcbcf5ae1f
Author: luzpaz <luzpaz at users.noreply.github.com>
Date:   Wed Jan 25 15:07:39 2023 +0000

    Fix some typos



Summary of changes:
 bindings/python/example_scripts/rest-api/gnucash_rest.py |  2 +-
 bindings/python/example_scripts/simple_invoice_insert.py |  2 +-
 doc/examples/customers_import.csv                        |  2 +-
 libgnucash/app-utils/calculation/fin.c                   | 16 ++++++++--------
 libgnucash/app-utils/options.scm                         |  2 +-
 libgnucash/doc/constraints.txt                           |  2 +-
 libgnucash/engine/qofinstance.cpp                        |  2 +-
 7 files changed, 14 insertions(+), 14 deletions(-)