Correct too-small size when the progress dialog is very simple

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@44621 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/progdlgg.cpp

@@ -261,7 +261,7 @@ wxProgressDialog::wxProgressDialog(wxString const &title,
         sizeDlg.y += 2*LAYOUT_MARGIN;
 
         // try to make the dialog not square but rectangular of reasonable width
-        sizeDlg.x = (wxCoord)wxMax(widthText, 4*sizeDlg.y/3);
+        sizeDlg.x = (wxCoord)wxMax(widthText*2, 4*sizeDlg.y/3);
         sizeDlg.x *= 3;
         sizeDlg.x /= 2;
         SetClientSize(sizeDlg);