Fix minor formatting issues

Some code was restructured to move it under KMP_DEBUG.  The rest is
formatting changes to fix some things broken by clang-format

Patch by Terry Wilmarth

Differential Revision: https://reviews.llvm.org/D33744


git-svn-id: https://llvm.org/svn/llvm-project/openmp/trunk@304438 91177308-0d34-0410-b5e6-96231b3b80d8