Update minimum Go version

Minimum version is now 1.8 according to build.go (from latest master, cloned a few minutes ago):

```
paul@voga:~/third-dev/restic$ go run build.go 
Go version go1.7.4 detected, restic requires at least Go 1.8
exit status 1
```
This commit is contained in:
Paul Waring 2017-08-24 19:51:11 +01:00 committed by GitHub
parent 4e60156b45
commit 637f57ca71

View file

@ -35,7 +35,7 @@ From Source
-----------
restic is written in the Go programming language and you need at least
Go version 1.7. Building restic may also work with older versions of Go,
Go version 1.8. Building restic may also work with older versions of Go,
but that's not supported. See the `Getting
started <https://golang.org/doc/install>`__ guide of the Go project for
instructions how to install Go.