QLineEdit::setSelection bug when inputMask is used

When an inputMask is used with a QLineEdit, setSelection might fail.
See small sample application: the last character should be selected, but it is not.

The bug is easy to locate. In QLineEdit::setSelection, the code starts with:

if (start < 0 || start > (int)d->control->text().length())

{ qWarning("QLineEdit::setSelection: Invalid start position (%d)", start); return; }

But it is wrong to use d->control->text() because this removes the blank characters when an input mask is used. This causes a wrong warning to be issue and a return.

The code should be in fact:

if (start < 0 || start >= (int)d->control->end()) {