Fixed Makefile bug.
Fixed Makefile bug.

WooyunDota/binwalk,MaiPhuoc/binwalk,gale320/binwalk,peterdocter/binwalk,draekko/binwalk,itsens/binwalk,Eih3/binwalk,gale320/binwalk,foreni-packages/binwalk,sviehb/binwalk,chubbymaggie/binwalk,zhuyue1314/binwalk,0x7678/binwalk,ddcc/binwalk,hyper-xx/binwalk,Eih3/binwalk,chubbymaggie/binwalk,UniqMartin/binwalk,devttys0/binwalk,jiangbing9293/binwalk,UniqMartin/binwalk,emprovements/binwalk,zhuyue1314/binwalk,sviehb/binwalk,Flameeyes/binwalk,pyq881120/binwalk,hyper-xx/binwalk,MaiPhuoc/binwalk,AmesianX/binwalk,anthraxx/binwalk,pombredanne/binwalk,foreni-packages/binwalk,cristianst85/binwalk,naterh/binwalk,draekko/binwalk,goofwear/binwalk,geekspeed/binwalk,itsens/binwalk,cristianst85/binwalk,naterh/binwalk,devttys0/binwalk,WooyunDota/binwalk,thx0701/binwalk,pyq881120/binwalk,goofwear/binwalk,Flameeyes/binwalk,cappiewu/binwalk,jiangbing9293/binwalk,sundhaug92/binwalk,anthraxx/binwalk,foreni-packages/binwalk,AmesianX/binwalk,cappiewu/binwalk,thx0701/binwalk,ddcc/binwalk,pombredanne/binwalk,peterdocter/binwalk,emprovements/binwalk,geekspeed/binwalk,sundhaug92/binwalk