Revert the dump functions to send output to llvm::errs(), matching the LLVM convention; suggestion by Daniel.

'-ast-print' / '-ast-dump' command line options still send output to llvm::outs().

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110569 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed