docker-machine: update to 0.12.0

Closes: #6898 [via git-merge-pr]

srcpkgs/docker-machine/template

@@ -1,18 +1,17 @@
 # Template file for 'docker-machine'
 pkgname=docker-machine
-version=0.6.0
-revision=6
+version=0.12.0
+revision=1
 wrksrc="machine-${version}"
 build_style=go
 go_import_path="github.com/docker/machine"
 go_package="${go_import_path}/cmd"
-hostmakedepends="git"
 short_desc="Docker Machine management for a container-centric world"
 maintainer="Sergi Alvarez <pancake@nopcode.org>"
 license="Apache-2.0"
 homepage="https://github.com/docker/machine/"
 distfiles="https://github.com/docker/machine/archive/v${version}.tar.gz"
-checksum=e95f1d0efee8de1b0d97ddc2620cd8ee57ea0de9950a302307e9a9cd3d32ae5a
+checksum=2238dbb8580ca2399c64fa6cda0089a9dde6142d4dcbb8d750aedbeee042fbfe
 
 do_install() {
 	vlicense LICENSE