tree dfdc93ac6e3003b55541b559a600a7b988d68634
parent 094b883e10d3879405984c0bcca7c3a8535a0c14
author Alberto Donizetti <alb.donizetti@gmail.com> 1527279243 +0200
committer Brad Fitzpatrick <bradfitz@golang.org> 1527617434 +0000

env: add subversion to the linux-x86-stretch dockerfile

CL 114595 added git and hg to the stretch builder to fix cmd/go tests,
but I missed that one test is using svn. Add svn too.

Change-Id: I8c6555c1c71cecd4012136ca413008025deeef32
Reviewed-on: https://go-review.googlesource.com/114676
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>