define WIN32_LEAN_AND_MEAN if not defined already.

git-svn-id: svn+ssh://svn.code.sf.net/p/mingw-w64/code/trunk@1193 4407c894-4637-0410-b4f5-ada5f102cad1
48 files changed
tree: 7ff946e4eeced7d65c70ddc32d0f1d9f61ad7b6a
  1. mingw-w64-crt/
  2. mingw-w64-doc/
  3. mingw-w64-headers/
  4. mingw-w64-libraries/