segfault on contextmenu in QtAssistant window

[Aleksey]

mks_1.9.0.0
right click in qtassistant window on empty space, non item.

Program received signal SIGSEGV, Segmentation fault.
0x00007fffe67dc10e in ?? () from /usr/lib64/libQtHelp.so.4
(gdb) bt
#0 0x00007fffe67dc10e in ?? () from /usr/lib64/libQtHelp.so.4
#1 0x00007fffe67e2434 in QHelpContentItem::url() const () from /usr/lib64/libQtHelp.so.4
#2 0x00007fffe6a70bba in QtAssistantDock::open_customContextMenuRequested(QPoint const&) ()
   from /usr/lib64/monkeystudio/child/libQtAssistant.so
#3 0x00007fffe6a96d89 in QtAssistantDock::qt_metacall(QMetaObject::Call, int, void**) ()
   from /usr/lib64/monkeystudio/child/libQtAssistant.so
#4 0x00007ffff651559a in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib64/libQtCore.so.4
#5 0x00007ffff6a4b9d2 in QWidget::customContextMenuRequested(QPoint const&) () from /usr/lib64/libQtGui.so.4

i think it call from
src/plugins/child/QtAssistant/src/QtAssistantDock.cpp near line 366, but i don't know cpp to fix it self.

[PasNox (pasnox)]

Crash fixed.