V560 A part of conditional expression is always true: (nHintStart >= nStartIdx)

V509 The 'dynamic_cast' operator should be located inside the try..catch block,
     as it could potentially generate an exception. Raising exception inside
     the destructor is illegal.

V560 A part of conditional expression is always true: pHint.

Change-Id: Icfb9a2961f5db034fd19f4665fe3ceaae6232350
Reviewed-on: https://gerrit.libreoffice.org/62039
Tested-by: Jenkins
Reviewed-by: Michael Stahl <Michael.Stahl@cib.de>