btrfs-progs: update to 4.1.

srcpkgs/btrfs-progs/template

@@ -1,9 +1,7 @@
 # Template file for 'btrfs-progs'
 pkgname=btrfs-progs
-_distver=4.0.1
-# DO NOT MODIFY DATEVER!
-_datever=20141006
-version=${_datever}.${_distver}
+reverts=20141006.4.0.1_1
+version=4.1
 revision=1
 build_pie=yes
 build_style=gnu-configure
@@ -16,7 +14,7 @@ license="GPL-2"
 homepage="http://btrfs.wiki.kernel.org/"
 
 do_fetch() {
-	git clone -b v${_distver} git://git.kernel.org/pub/scm/linux/kernel/git/kdave/${pkgname}.git ${pkgname}-${version}
+	git clone -b v${version} git://git.kernel.org/pub/scm/linux/kernel/git/kdave/${pkgname}.git ${pkgname}-${version}
 }
 pre_configure() {
 	NOCONFIGURE=1 ./autogen.sh