[wtp-releng] FYI 1.5.2 "R" builds

[David M Williams <david_williams@xxxxxxxxxx>]

Just FYI, I've produced an "R"
build for 1.5.2 in committers area, same code as most recent "M"
build, it's just we'll want to promote a build with "R" in the
name, 
once we're ready to release.