mpv: add smb build option (off)

Disabled by default since mpv with samba support makes it GPL-3.

Someone would like to build mpv with samba support by yourself, so
restore support for it via build option. Just in case.

srcpkgs/mpv/template

@@ -2,15 +2,15 @@
 pkgname=mpv
 version=0.26.0
 revision=1
-build_options="vapoursynth"
+build_options="smb vapoursynth"
 short_desc="Video player based on MPlayer/mplayer2"
 maintainer="Juan RP <xtraeme@voidlinux.eu>"
-license="GPL-2 LGPL-2.1"
+license="GPL-2, LGPL-2.1"
 homepage="https://mpv.io"
 build_style=waf
 configure_args="--confdir=/etc/mpv --docdir=/usr/share/examples/mpv
  --enable-dvdread --enable-dvdnav --enable-cdda --enable-libmpv-shared
- --disable-oss-audio --disable-sdl2
+ --disable-oss-audio --disable-sdl2 $(vopt_enable smb libsmbclient)
  $(vopt_enable vapoursynth)"
 hostmakedepends="pkg-config python-docutils perl"
 makedepends="
@@ -19,7 +19,7 @@ makedepends="
  pulseaudio-devel libbluray-devel libcdio-paranoia-devel libdvdread-devel
  MesaLib-devel harfbuzz-devel libXScrnSaver-devel jack-devel libdvdnav-devel
  wayland-devel libwayland-egl libuuid-devel libguess-devel libXrandr-devel
- rubberband-devel $(vopt_if vapoursynth vapoursynth-devel)"
+ rubberband-devel $(vopt_if smb samba-devel) $(vopt_if vapoursynth vapoursynth-devel)"
 depends="desktop-file-utils hicolor-icon-theme $(vopt_if vapoursynth vapoursynth-mvtools)"
 distfiles="https://github.com/mpv-player/${pkgname}/archive/v${version}.tar.gz"
 checksum=daf3ef358d5f260f2269f7caabce27f446c291457ec330077152127133b71b46