docker/windows: Fix 7zip extract command for MSYS2
authorNirbheek Chauhan <nirbheek@centricular.com>
Fri, 13 Dec 2019 00:51:36 +0000 (06:21 +0530)
committerGStreamer Merge Bot <gitlab-merge-bot@gstreamer-foundation.org>
Wed, 29 Jan 2020 17:39:46 +0000 (17:39 +0000)
commit6267810f3a90de93a0cd80b0770ceb2e9aba4027
treefb7a8d74056e25dbc83a7f845d1b252b1b2d0fd1
parentcfb15f47b81cb8da35f430d0e1d88503e723d84b
docker/windows: Fix 7zip extract command for MSYS2

-Wait is only needed for Start-Process. Also, explicitly extract the
tar file into C:\ -- don't assume the current directory is C:\
docker/windows/install_toolchain.ps1