The Locate dialog is never destroyed (therefore its destructor (~LocateDlg) can't be used because it's never called, etc.), the present change can solve that.
This is a screenshot of a Valgrind report inside Qt Creator:
{F6277351}
Additionally, if someone tries to use its destructor nowadays, e.g.:
```
~LocateDlg()
{
QTextStream(stdout) << "DESTRUCTING" << endl;
}
```
he sees that that code is never executed.