Specify laddr on the form host:port in the call to net.Listen as
documented for net.Dial, see godoc.org/net#Dial
Fixes the following test failures on Windows:
> go test -run=TestHttpGetter
--- FAIL: TestHttpGetter_header (0.00s)
get_http_test.go:31: err: Get http://[::]:52101/header?terraform-get=1: dial tcp [::]:52101: ConnectEx tcp: The requested address is not valid in its context.
--- FAIL: TestHttpGetter_meta (0.00s)
get_http_test.go:55: err: Get http://[::]:52103/meta?terraform-get=1: dial tcp [::]:52103: ConnectEx tcp: The requested address is not valid in its context.
--- FAIL: TestHttpGetter_metaSubdir (0.00s)
get_http_test.go:79: err: Get http://[::]:52105/meta-subdir?terraform-get=1: dial tcp [::]:52105: ConnectEx tcp: The requested address is not valid in its context.
FAIL
exit status 1
FAIL github.com/hashicorp/terraform/config/module 0.054s