packer: update to 0.12.1.

srcpkgs/packer/template

@@ -1,6 +1,6 @@
 # Template file for 'packer'
 pkgname=packer
-version=0.12.0
+version=0.12.1
 revision=1
 replaces="packer-bin>=0"
 short_desc="Create identical multiplatform machine images from a single source"
@@ -11,7 +11,7 @@ license="MPL-2"
 homepage="http://www.packer.io"
 go_import_path="github.com/mitchellh/packer"
 distfiles="https://${go_import_path}/archive/v${version}.tar.gz"
-checksum=5b222051007b24e502c7cbf19ea30a0201b7a0939ab2c81f649690df1fddf8a5
+checksum=015f151ac6f4bf4e97df9b54b2d8ca744d587002162acf63284b4b3ca41d900b
 
 post_build() {
 	for F in $(find -type f -name main.go); do