New comment by sgn on void-packages repository

https://github.com/void-linux/void-packages/pull/19569#issuecomment-594251448

Comment:
I would do this instead:
```
diff --git a/srcpkgs/mstflint/template b/srcpkgs/mstflint/template
index 7ebe2bcd27..2a449956a4 100644
--- a/srcpkgs/mstflint/template
+++ b/srcpkgs/mstflint/template
@@ -1,8 +1,9 @@
 # Template file for 'mstflint'
 pkgname=mstflint
-version=4.13.3
+version=4.13.3r2
 revision=1
-subvers="-2"
+_version=${version/r/-}
+wrksrc=mstflint-${version%r*}
 build_style=gnu-configure
 configure_args="--enable-cs --enable-fw-mgr --enable-xml2"
 makedepends="boost-devel libcurl-devel libibmad-devel liblzma-devel libxml2-devel zlib-devel"
@@ -10,7 +11,7 @@ short_desc="Open source version of Mellanox Firmware Tools"
 maintainer="Rich Gannon <rich@richgannon.net>"
 license="GPL-2.0-or-later"
 homepage="https://github.com/Mellanox/mstflint"
-distfiles="https://github.com/Mellanox/mstflint/releases/download/v${version}${subvers}/${pkgname}-${version}${subvers}.tar.gz"
+distfiles="https://github.com/Mellanox/mstflint/releases/download/v${_version}/${pkgname}-${_version}.tar.gz"
 checksum=3abc918311fc07e4add7564879bd4a8def8ccfed40962f31682c75f2ee8a58d1
 
 mstflint-devel_package() {
```

Anyway, cross-compile and musl build are broken.