fix oppologist error caused by stop point at non-bb-address
fix oppologist error caused by stop point at non-bb-address

This used to work because we just ignored stop points at non basic block
addresses, but now we just stop at the start of the block (therefore not using
unicorn at all) which is wrong.

axt/angr,angr/angr,schieb/angr,f-prettyland/angr,f-prettyland/angr,tyb0807/angr,iamahuman/angr,axt/angr,angr/angr,chubbymaggie/angr,tyb0807/angr,schieb/angr,schieb/angr,iamahuman/angr,tyb0807/angr,axt/angr,chubbymaggie/angr,angr/angr,iamahuman/angr,chubbymaggie/angr,f-prettyland/angr