clang-format: Add space in corner case.

Before:
  SomeType s __attribute__((unused))(InitValue);
After:
  SomeType s __attribute__((unused)) (InitValue);

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@186535 91177308-0d34-0410-b5e6-96231b3b80d8
MS wide bitfield error check in Sema

cl.exe treats wide bitfields as an error. This patch causes them to be
an error if IsMsStruct is true, as it is in straight C.

Patch by Warren Hunt!

Reviewers: eli.friedman

Differential Revision: http://llvm-reviews.chandlerc.com/D1125

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@186536 91177308-0d34-0410-b5e6-96231b3b80d8