V1028 Possible overflow. Consider casting arguments of the operator
      to the type instead of casting its result.

V547 Expression 'nNewSize > ((sal_Int32) 0x7FFFFFFF)' is always false.

Change-Id: I7107b162d88c9d3f97019effcac1f9cfab52a66c
Reviewed-on: https://gerrit.libreoffice.org/62846Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
Tested-by: Mike Kaganski <mike.kaganski@collabora.com>