Fix mkreleasehdr.sh defines prefixes.
Fix mkreleasehdr.sh defines prefixes.

ErikDubbelboer/disque,CodyReichert/disque,sunheehnus/disque,themage/disque,gideonairex/disque,chen-tian/disque,felixbuenemann/disque,Koed00/disque,lamby/disque,gideonairex/disque,hanicker/disque,felixbuenemann/disque,themage/disque,tempbottle/disque,GrimDerp/disque,Koed00/disque,sunheehnus/disque,mopuri-sandeep/disque,antirez/disque,douxiaozhao/disque,tempbottle/disque,c2j/disque,lamby/pkg-disque,chen-tian/disque,c2j/disque,jmptrader/disque,seppo0010/disque,GrimDerp/disque,CodyReichert/disque,jmptrader/disque,jmptrader/disque,mopuri-sandeep/disque,antirez/disque,ErikDubbelboer/disque,themage/disque,douxiaozhao/disque,seppo0010/disque,lamby/disque,lamby/pkg-disque,hanicker/disque