Fix expression breaking for one-parameter-per-line styles.

Before:
  if (aaaaaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaaaaaaa ||
      aaaaaaaaaaaaaaaaaaaaaaaaaaaa ||
      aaaaaaaaaaaaaaaaaaaaaaaaaaaa ||
      aaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}
After:
  if (aaaaaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaaaaaaa ||
      aaaaaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaaaaaaa ||
      aaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181828 91177308-0d34-0410-b5e6-96231b3b80d8