points-to: handle only pointers in varargs
points-to: handle only pointers in varargs

we can skip non-pointers (actually, we must, otherwise
we can get hit an assertion)

Signed-off-by: Marek Chalupa <a05df156a69ad59faa9af9b666ef78009594c145@gmail.com>

mchalupa/dg,mchalupa/dg,mchalupa/dg,mchalupa/dg