Fixed incorrect include file exit detection.  Added work-around to avoid error on header guard in nested include.  Fixed a couple of coding standard issues on variable names.
Fixed incorrect include file exit detection.  Added work-around to avoid error on header guard in nested include.  Fixed a couple of coding standard issues on variable names.

git-svn-id: a34e9779ed74578ad5922b3306b3d80a0c825546@187736 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/clang-tools-extra,llvm-mirror/clang-tools-extra,llvm-mirror/clang-tools-extra,llvm-mirror/clang-tools-extra