doc: make link relative in 1.12 cgo release notes

Change a link in the cgo section of the 1.12 release notes from

  https://golang.org/cmd/cgo ...

to

  /cmd/cgo/ ...

to uniform it with other links on the page, and to ensure correct
target when the page is displayed on tip.golang.org.

Change-Id: I7653a6ea15ce111a60929c7ae7e9fb0dc9515502
Reviewed-on: https://go-review.googlesource.com/c/156858
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

diff --git a/doc/go1.12.html b/doc/go1.12.html
index d8547e9f96875ba89f937c00e7dfcb8a39c39d05..046be21093f3f7fd2f56ff58c06b83bcfed051a4 100644 (file)
--- a/doc/go1.12.html
+++ b/doc/go1.12.html
@@ -135,7 +135,7 @@ go vet -vettool=$(which shadow)
        Go 1.12 will translate the C type <code>EGLDisplay</code> to the Go type <code>uintptr</code>.
        This change is similar to how Go 1.10 and newer treats Darwin's CoreFoundation
        and Java's JNI types. See the
-       <a href="https://golang.org/cmd/cgo/#hdr-Special_cases">cgo documentation</a>
+       <a href="/cmd/cgo/#hdr-Special_cases">cgo documentation</a>
        for more information.
 </p>