message: Fix compilation issue with indexing QByteArray by sptr_t
diff: @@ -1017,8 +1017,8 @@ void PythonShell::startAutocomplete()
  sptr_t start;
  for(start = end; start >= 0; start--)
  {
  - if(QChar::fromLatin1(lineText[start]).isLetterOrNumber() || lineText[start] == '.' ||
  - lineText[start] == '_')
  + char c = lineText[(int)start];
  + if(QChar::fromLatin1(c).isLetterOrNumber() || c == '.' || c == '_')
  continue;
  start++;
  