[LangRef] Cleanup some stray whitespace inconsistencies.

Patch by Debora Setton Sanches! <setton.debora@gmail.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@244294 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed