makedepends: switch libvmaf to vmaf (package was renamed)

.SRCINFO

@@ -1,9 +1,7 @@
-# Generated by mksrcinfo v8
-# Sun Jan  7 02:25:28 UTC 2018
 pkgbase = ffmpeg-full
 	pkgdesc = Record, convert and stream audio and video (all possible features including nvenc, qsv and libfdk-aac)
 	pkgver = 3.4.1
-	pkgrel = 2
+	pkgrel = 3
 	url = http://www.ffmpeg.org/
 	arch = i686
 	arch = x86_64
@@ -12,7 +10,7 @@ pkgbase = ffmpeg-full
 	makedepends = opencl-headers
 	makedepends = blackmagic-decklink-sdk
 	makedepends = libmfx
-	makedepends = libvmaf
+	makedepends = vmaf
 	depends = glibc
 	depends = alsa-lib
 	depends = jack

PKGBUILD

@@ -8,7 +8,7 @@
 pkgname=ffmpeg-full
 _srcname=ffmpeg
 pkgver=3.4.1
-pkgrel=2
+pkgrel=3
 pkgdesc='Record, convert and stream audio and video (all possible features including nvenc, qsv and libfdk-aac)'
 arch=('i686' 'x86_64')
 url='http://www.ffmpeg.org/'
@@ -38,7 +38,7 @@ makedepends=(
     # official repositories:
         'nasm' 'opencl-headers'
     # AUR:
-        'blackmagic-decklink-sdk' 'libmfx' 'libvmaf'
+        'blackmagic-decklink-sdk' 'libmfx' 'vmaf'
 )
 provides=(
     'ffmpeg' 'ffmpeg-full-nvenc' 'ffmpeg-nvenc' 'ffmpeg-libfdk_aac' 'ffmpeg-decklink'