youtube-dl: update to 2018.04.25.

Closes: #13838 [via git-merge-pr]

srcpkgs/youtube-dl/template

@@ -1,6 +1,6 @@
 # Template file for 'youtube-dl'
 pkgname=youtube-dl
-version=2018.04.16
+version=2018.04.25
 revision=1
 wrksrc="${pkgname}"
 build_style=python-module
@@ -13,7 +13,7 @@ maintainer="Juan RP <xtraeme@voidlinux.eu>"
 homepage="http://rg3.github.io/youtube-dl/"
 license="Public Domain"
 distfiles="https://yt-dl.org/downloads/${version}/${pkgname}-${version}.tar.gz"
-checksum=2d2565cd65b20da05aa0e16b48b2fdc1a1c72452811db8a20faf0bce2f7adf10
+checksum=7ced20712c1c4ef98d748cdd0f7cdd4f94f88b1300bed67d7b861dcf1c7ffd9f
 alternatives="youtube-dl:youtube-dl:/usr/bin/youtube-dl2"
 noarch=yes