mpv: update to 0.18.1

mpv/PKGBUILD

 pkgname=mpv
-pkgver=0.18.0
+pkgver=0.18.1
 pkgrel=1
 pkgdesc="A movie player and encoder for linux, based on MPlayer/mplayer2"
 arch=('x86_64')
@@ -15,7 +15,7 @@ options=('!emptydirs')
 provides=('mplayer')
 install=${pkgname}.install
 source=("https://github.com/mpv-player/${pkgname}/archive/v${pkgver}.tar.gz")
-sha256sums=('b656638d4f6bce2621baaacb60d8be384aa492fcd86dfd43996aaa2c16fee02b')
+sha256sums=('e413d57fec4ad43b9f9b848f38d13fb921313fc9a4a64bf1e906c8d0f7a46329')
  
 build() {
   cd ${pkgname}-${pkgver}