Fix for vector codegen in OpenMP subfunctions

Contributed-by: Johannes Doerfert <doerfert@cs.uni-saarland.de>

git-svn-id: https://llvm.org/svn/llvm-project/polly/trunk@206332 91177308-0d34-0410-b5e6-96231b3b80d8
Fix formatting

git-svn-id: https://llvm.org/svn/llvm-project/polly/trunk@206333 91177308-0d34-0410-b5e6-96231b3b80d8