message: Add missing support for newline characters when assembling string directives
diff: @@ -63,6 +63,7 @@ HandleDirectiveRes stringFunctor(const AssemblerBase*, const TokenizedSrcLine& l
  return {Error(line.sourceLine, "Invalid number of arguments (expected 1)")};
  }
  QString string = line.tokens.at(0);
  + string.replace("\\n", "\n");
  string.remove('\"');
  string.append('\0');
  return {string.toUtf8()};
  