Update fgets to be more accurate
Update fgets to be more accurate

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