Log Message:
Update Go to 1.10.4.

go1.10.4 (released 2018/08/24) includes fixes to the go command, linker, and
the net/http, mime/multipart, ld/macho, bytes, and strings packages. See the
Go 1.10.4 milestone on our issue tracker for details.

pkgsrc note: After the import of Go 1.11, this package will be renamed to
lang/go110.