btrfs-progs: update to 4.20.1.

srcpkgs/btrfs-progs/template

@@ -1,8 +1,7 @@
 # Template file for 'btrfs-progs'
 pkgname=btrfs-progs
-reverts="4.20_1" # Remove when snapper is fixed (#7540)
-version=4.19.1
-revision=2
+version=4.20.1
+revision=1
 wrksrc="${pkgname}-v${version}"
 build_style=gnu-configure
 make_check_target=test
@@ -16,7 +15,7 @@ license="GPL-2.0-only, LGPL-3.0-or-later"
 homepage="https://btrfs.wiki.kernel.org/index.php/Main_Page"
 changelog="https://raw.githubusercontent.com/kdave/btrfs-progs/master/CHANGES"
 distfiles="${KERNEL_SITE}/kernel/people/kdave/${pkgname}/${pkgname}-v${version}.tar.xz"
-checksum=04d82af5cf479d139299a8f13ec0921f9578ca444e81ec0202f01a20d2bcefb8
+checksum=562f5d1ff1d17867c4c2be2768c653b62f1f257c42f9bb3e1a36380c02ec4fcd
 
 pre_configure() {
 	NOCONFIGURE=1 ./autogen.sh