message: change callsites of isSourceInputComplete.
diff: @@ -300,7 +300,8 @@ bool SwiftREPL::SourceIsComplete(const std::string &source) {
  std::unique_ptr<llvm::MemoryBuffer> source_buffer_ap(
  llvm::MemoryBuffer::getMemBuffer(source));
  swift::ide::SourceCompleteResult result =
  - swift::ide::isSourceInputComplete(std::move(source_buffer_ap));
  + swift::ide::isSourceInputComplete(std::move(source_buffer_ap),
  + swift::SourceFileKind::REPL);
  return result.IsComplete;
  }
  @@ -334,7 +335,8 @@ lldb::offset_t SwiftREPL::GetDesiredIndentation(const StringList &lines,
  std::unique_ptr<llvm::MemoryBuffer> source_buffer_ap(
  llvm::MemoryBuffer::getMemBuffer(source_string));
  swift::ide::SourceCompleteResult result =
  - swift::ide::isSourceInputComplete(std::move(source_buffer_ap));
  + swift::ide::isSourceInputComplete(std::move(source_buffer_ap),
  + swift::SourceFileKind::REPL);
  int desired_indent =
  (result.IndentLevel * tab_size) + result.IndentPrefix.length();
  