[OPENMP][C++11] Formatting and make more C++11 compliant of OpenMP sema.


git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@209713 91177308-0d34-0410-b5e6-96231b3b80d8
[OPENMP] Reformatting of parsing code for OpenMP constructs.


git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@209714 91177308-0d34-0410-b5e6-96231b3b80d8