Fixed permissions in zlib SPEC
Fixed permissions in zlib SPEC

gnewton/MBB-Bio-Roll,gnewton/MBB-Bio-Roll,AAFC-MBB/MBB-Bio-Roll,boratonAJ/MBB-Bio-Roll,gnewton/MBB-Bio-Roll,gnewton/MBB-Bio-Roll,gnewton/MBB-Bio-Roll,boratonAJ/MBB-Bio-Roll,boratonAJ/MBB-Bio-Roll,boratonAJ/MBB-Bio-Roll,boratonAJ/MBB-Bio-Roll,boratonAJ/MBB-Bio-Roll,gnewton/MBB-Bio-Roll