Improve formatting of chained calls.

clang-format already prevented sequences like:
  ...
  SomeParameter).someFunction(
  ...

as those are quite confusing. This failed on:
  ...
  SomeParameter).someFunction(otherFunction(
  ...

Fixed in this patch.

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@177157 91177308-0d34-0410-b5e6-96231b3b80d8