gnucash maint: [gnucash.cpp] char* must be freed.

[Christopher Lam]

Updated	 via  https://github.com/Gnucash/gnucash/commit/f7cdc196 (commit)
	from  https://github.com/Gnucash/gnucash/commit/418de906 (commit)



commit f7cdc19695ddbfc8f56d603ea1bc9c773afda5aa
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Tue Jun 21 23:39:44 2022 +0800

    [gnucash.cpp] char* must be freed.
    
    g_option_context_get_help() returns a char* which must be freed.



Summary of changes:
 gnucash/gnucash.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)