gnucash-on-windows master: Fix typos in setup-mingw64.ps1

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash-on-windows/commit/668227c9 (commit)
	from  https://github.com/Gnucash/gnucash-on-windows/commit/1b2947f2 (commit)



commit 668227c9651224bd0a0f9ce87713546ccfca9af8
Author: John Ralls <jralls at ceridwen.us>
Date:   Fri Oct 17 11:35:15 2025 -0700

    Fix typos in setup-mingw64.ps1
    
    Thanks, Sherlock



Summary of changes:
 setup-mingw64.ps1 | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)