Information in the progress window (example: rescan) is displayed capped to fixed size instead of contents.

<img width="209" alt="screenshot 2018-12-21 at 14 58 20" src="https://user-images.githubusercontent.com/26601261/50345943-0bbd4300-0531-11e9-9c6c-e277ac69eb0c.png">

{
    
    fs::remove(StartupShortcutPath());
    if (fAutoStart)
    {
        CoInitialize(nullptr);
        
        IShellLinkW* psl = nullptr;
        HRESULT hres = CoCreateInstance(CLSID_ShellLink, nullptr,
            CLSCTX_INPROC_SERVER, IID_IShellLinkW,
            reinterpret_cast<void**>(&psl));
        if (SUCCEEDED(hres))
        {
            
            WCHAR pszExePath[MAX_PATH];
            GetModuleFileNameW(nullptr, pszExePath, ARRAYSIZE(pszExePath));
            
            QString strArgs = "-min";
            
            strArgs += QString::fromStdString(strprintf(" -testnet=%d -regtest=%d", gArgs.GetBoolArg("-testnet", false), gArgs.GetBoolArg("-regtest", false)));
            
            psl->SetPath(pszExePath);
            PathRemoveFileSpecW(pszExePath);
            psl->SetWorkingDirectory(pszExePath);
            psl->SetShowCmd(SW_SHOWMINNOACTIVE);
            psl->SetArguments(strArgs.toStdWString().c_str());