docs: update Go version to 1.9 in Contribution Checklist (#1095)

According to install.md, the minimum version of Go supported at the 
moment is 1.9, so update the Go version referenced in Contribution 
Checklist to 1.9 as well.
This commit is contained in:
yohei okada 2018-04-18 10:58:46 +09:00 committed by Olaoluwa Osuntokun
parent 3c73329912
commit 7a50097dec

@ -451,7 +451,7 @@ Rejoice as you will now be listed as a [contributor](https://github.com/lightnin
#### 6.1. Contribution Checklist
- [  ] All changes are Go version 1.5 compliant
- [  ] All changes are Go version 1.9 compliant
- [  ] The code being submitted is commented according to the
[Code Documentation and Commenting](#CodeDocumentation) section
- [  ] For new code: Code is accompanied by tests which exercise both