tree e9f9a7eddeee664a6fc527f70768b65ed8eb6ed3
parent 33ee7793300f6ef9f5206e5a0539c192affa3d23
author Brad King <brad.king@kitware.com> 1555340291 -0400
committer Brad King <brad.king@kitware.com> 1555340342 -0400

IRSL: Update redist directory for VS 2019 update 1

VS 2019 Update 1 will fix its redist directories to be named `VC142`
instead of `VC141`.  It will also use cl `19.21` instead of `19.20`
so we can use that to distinguish the versions.

Fixes: #19131