chromaprint: restore fpcalc utility

- Boost is no longer used
- chromaprint is now distributed under the MIT license
- Fix fpcalc build

srcpkgs/chromaprint/template

@@ -1,17 +1,21 @@
 # Template file for 'chromaprint'
 pkgname=chromaprint
 version=1.4.1
-revision=1
+revision=2
 build_style=cmake
-configure_args="-DBUILD_EXAMPLES=ON"
-makedepends="boost-devel fftw-devel ffmpeg-devel"
+configure_args="-DBUILD_TOOLS=ON"
+makedepends="fftw-devel ffmpeg-devel"
 maintainer="Juan RP <xtraeme@voidlinux.eu>"
 homepage="http://acoustid.org/chromaprint/"
-license="LGPL-2.1"
+license="MIT, LGPL-2.1"
 short_desc="Library that extracts fingerprints from any audio source"
 distfiles="https://bitbucket.org/acoustid/${pkgname}/downloads/${pkgname}-${version}.tar.gz"
 checksum=d94e171e0b3d60a8fefe6846a3c0ed3a9a939cb44a7d7113331fdbc140de6d34
 
+post_install() {
+	vlicense LICENSE.md LICENSE
+}
+
 chromaprint-devel_package() {
 	short_desc+=" - development files"
 	depends="${sourcepkg}>=${version}_${revision}"