Fix CFGFast copy() for incorrect attribute type
Fix CFGFast copy() for incorrect attribute type

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