[clang-tidy] Revert D31406 (Reuse FileID in getLocation)
[clang-tidy] Revert D31406 (Reuse FileID in getLocation)

Somehow the change failed test clang-tidy/llvm-include-order.cpp
on Windows platform.

Differential Revision: http://reviews.llvm.org/D31406



git-svn-id: a34e9779ed74578ad5922b3306b3d80a0c825546@299146 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