Support for aarch64-w64-mingw32 into windows-default-manifest

Hello,
my aarch64-w64-mingw32 cross compiler requires
windows-default-manifest for compiling itself, otherwise the linker
prints an error because default-manifest.o is missing.
I recovered windows-default-manifest package from here:

https://sourceware.org/git/cygwin-apps/windows-default-manifest.git

However, it requires a tiny fix for supporting also Windows for ARM64.
I fixed it and I attached my patch here, but since it seems to be not
touched in the last 11 years (at least from the logs), I'm not sure
where I can send my patch and if there is a maintainer for eventually
updating that package with my patch.
Thank you very much.

Sincerely,

Carlo Bramini.

--- origsrc/windows-default-manifest/configure.ac    2025-12-04
14:57:18.000000000 +0100
+++ src/windows-default-manifest/configure.ac    2025-12-05
09:36:32.509386400 +0100
@@ -27,6 +27,9 @@ case "${host_cpu}" in
   x86_64)
     RC_FLAGS="-F pe-x86-64"
     ;;
+  aarch64)
+    RC_FLAGS="-F pe-aarch64-little"
+    ;;
 esac

 AC_SUBST(RC_FLAGS)

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