New review comment by Chocimier on void-packages repository

https://github.com/void-linux/void-packages/pull/34709#discussion_r776783482

Comment:
```diff
diff --git a/srcpkgs/xsnow/template b/srcpkgs/xsnow/template
index 83ed8f9237..4a60cb0a50 100644
--- a/srcpkgs/xsnow/template
+++ b/srcpkgs/xsnow/template
@@ -2,8 +2,8 @@
 pkgname=xsnow
 version=3.4.2
 revision=1
-archs="i686 x86_64*"
 build_style=gnu-configure
+build_helper=qemu
 hostmakedepends="pkg-config"
 makedepends="libXext-devel libXpm-devel libXt-devel libX11-devel gtk+3-devel"
 short_desc="Snow for your X11 sessions"
@@ -12,3 +12,9 @@ license="GPL-3.0-or-later"
 homepage="https://ratrabbit.nl/ratrabbit/xsnow/index.html"
 distfiles="https://ratrabbit.nl/downloads/xsnow/${pkgname}-${version}.tar.gz"
 checksum=c618d7a73cef7070755f38ddc3665487afa8c71a9c82ae9055723e594a62fd9e
+
+post_patch() {
+       if [ "$CROSS_BUILD" ]; then
+               vsed -e "s:./xsnow -manpage:/usr/bin/qemu-${XBPS_TARGET_QEMU_MACHINE}-static &:" -i src/Makefile.am src/Makefile.in
+       fi
+}
```