Recognize function-like macro usages without semicolon in declaration context.

Summary:
Preserve line breaks after function-like macro usages without
semicolon, e.g.:

QQQ(xxx)
class X {
};

Reviewers: djasper, klimek

Reviewed By: djasper

CC: cfe-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D638

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179064 91177308-0d34-0410-b5e6-96231b3b80d8