Colorize. (this is consistent with the coloring in diagnostics.html, but...

Colorize. (this is consistent with the coloring in diagnostics.html, but perhaps that's a bit out of date because it doesn't look like current clang behavior)


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143913 91177308-0d34-0410-b5e6-96231b3b80d8