Fix clang-tidy patterns to adapt to newly added ExprWithCleanups nodes.

Summary: This is a fix for the new ExprWithCleanups introduced by clang's temporary variable lifetime marks change.

Reviewers: bkramer, sbenza, angelgarcia, alexth

Subscribers: rsmith, cfe-commits

Differential Revision: http://reviews.llvm.org/D21243

llvm-svn: 273310