gnucash stable: [import-commodity-matcher.c] plug GList leaks

[Christopher Lam]

Updated	 via  https://github.com/Gnucash/gnucash/commit/919bfa71 (commit)
	from  https://github.com/Gnucash/gnucash/commit/2b4f0b3b (commit)



commit 919bfa717833e8a5775d5214af09908a157f81b1
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Sun Apr 23 02:11:39 2023 +0800

    [import-commodity-matcher.c] plug GList leaks
    
    commodity_list and namespace_list were NULL by the time they were
    freed.



Summary of changes:
 gnucash/import-export/import-commodity-matcher.c | 49 +++++++-----------------
 1 file changed, 14 insertions(+), 35 deletions(-)