chart2: add a SolarMutexGuard in ChartView::createInstance()
chart2: add a SolarMutexGuard in ChartView::createInstance()

SvxUnoNameItemTable::SvxUnoNameItemTable() registers a listener at
SdrModel, surely that needs a lock of some kind.

Change-Id: I80d5a31be66e75f07e8abd26504bdcc93ffd22a3

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core