QFileDialog::selectFilter() is obsolete in Qt4. Replace it with selectNameFilter().

This change is Qt4/Qt5 neutral.

src/Gui/FileDialog.cpp

@@ -419,7 +419,7 @@ void FileOptionsDialog::accept()
         filename->blockSignals(true);
         filename->clear();
         filename->blockSignals(false);
-        selectFilter(filter);
+        selectNameFilter(filter);
 
         return;
     }