[QScintilla] [BUG] blinking caret not hidden on focus out

[Yuya Nishihara]

Hi,

QScintilla 2.8.4 doesn't hide blinking caret on focus out. IIRC, it was
hidden on older QScintilla versions.

The following report pointed out that the change in focusOutEvent() caused
this problem.

https://github.com/openscad/openscad/issues/1176

Regards,

# code to reproduce the problem
from PyQt4.QtGui import *
from PyQt4.Qsci import *

app = QApplication([])
w = QWidget()
l = QVBoxLayout(w)
l.addWidget(QLineEdit(w))
l.addWidget(QsciScintilla(w))
w.show()
app.exec_()