musl-obstack: license is GPL-2

Copy + paste template had the wrong license.
Since obstack is GPL-2 there is no need for vlicense.

srcpkgs/musl-obstack/template

@@ -1,14 +1,14 @@
 # Template file for 'musl-obstack'
 pkgname=musl-obstack
 version=1.0
-revision=1
+revision=2
 build_style=gnu-configure
 hostmakedepends="automake libtool"
 configure_args="--disable-shared"
 only_for_archs="aarch64-musl armv6l-musl armv7l-musl i686-musl mips-musl mipsel-musl mipselhf-musl x86_64-musl"
 short_desc="Implementation of obstack for musl libc"
 maintainer="Jürgen Buchmüller <pullmoll@t-online.de>"
-license="BSD"
+license="GPL-2"
 homepage="http://github.com/pullmoll/musl-obstack"
 distfiles="https://github.com/pullmoll/${pkgname}/archive/v${version}.tar.gz>${pkgname}-${version}.tar.gz"
 checksum=6071fa2462c13b2bc6d71d10be115cf8e8c9048802a39e27f5ab6340ade59076
@@ -19,5 +19,4 @@ pre_configure() {
 
 post_install() {
 	vinstall ${pkgname}.pc 644 usr/lib/pkgconfig
-	vlicense COPYING
 }