gnucash stable: Mingw64: Use a manifest to force the codepage to UTF8

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/038f90a7 (commit)
	from  https://github.com/Gnucash/gnucash/commit/0eb3e8eb (commit)



commit 038f90a798f205c4495062373aa5628bac39347a
Author: John Ralls <jralls at ceridwen.us>
Date:   Sun Sep 13 15:45:10 2026 -0700

    Mingw64: Use a manifest to force the codepage to UTF8
    
    Fixes a variety of path with special character problems on Windows.
    
    Assisted-by: Gemini <https://gemini.google.com>
    Signed-off: John Ralls <jralls at ceridwen.us>



Summary of changes:
 gnucash/CMakeLists.txt        | 5 ++++-
 gnucash/gnucash-manifest.rc   | 4 ++++
 gnucash/gnucash-utf8.manifest | 9 +++++++++
 3 files changed, 17 insertions(+), 1 deletion(-)
 create mode 100644 gnucash/gnucash-manifest.rc
 create mode 100644 gnucash/gnucash-utf8.manifest