Hide error recovery suggestion if there isn't one

Previously, we'd just display whatever the previous suggestion was, or the
untranslated English placeholder string from the template if there was no
previous suggestion.

src/endless/EndlessUsbToolDlg.cpp

@@ -1857,8 +1857,8 @@ void CEndlessUsbToolDlg::ErrorOccured(ErrorCause_t errorCause)
     SetElementText(_T(ELEMENT_ERROR_DELETE_TEXT), deleteFilesText);
 
     // Update the error description and "recovery" suggestion
+    CComBSTR message("");
     if (suggestionMsgId != 0) {
-        CComBSTR message;
         if (suggestionMsgId == MSG_334 || suggestionMsgId == MSG_303) {
             // Not enough space to download
             const CStringA downloadDriveA = ConvertUnicodeToUTF8(CEndlessUsbToolApp::m_imageDir.Left(3));
@@ -1883,8 +1883,8 @@ void CEndlessUsbToolDlg::ErrorOccured(ErrorCause_t errorCause)
         } else {
             message = UTF8ToBSTR(lmprintf(suggestionMsgId));
         }
-        SetElementText(_T(ELEMENT_ERROR_SUGGESTION), message);
     }
+    SetElementText(_T(ELEMENT_ERROR_SUGGESTION), message);
 
 	if (m_taskbarProgress != NULL) {
 		m_taskbarProgress->SetProgressState(m_hWnd, TBPF_ERROR);