gnucash maint: Allow C decls after statements.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/61ae38fd (commit)
	from  https://github.com/Gnucash/gnucash/commit/7f0353ad (commit)



commit 61ae38fdf56b6db8719a5ed1a2df673a3d1da612
Author: John Ralls <jralls at ceridwen.us>
Date:   Mon Feb 27 17:26:32 2023 -0800

    Allow C decls after statements.
    
    Legal since C99.



Summary of changes:
 CMakeLists.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)