Fix pnacl zlib build
Fix pnacl zlib build

TBR=bradnelson

Review URL: https://codereview.chromium.org/19674012

git-svn-id: 84b3587ce119b778414dcb50e18b7479aacf4f1d@835 7dad1e8b-422e-d2af-fbf5-8013b78bd812

Schibum/naclports,dtkav/naclports,kuscsik/naclports,clchiou/naclports,dtkav/naclports,kosyak/naclports_samsung-smart-tv,clchiou/naclports,kuscsik/naclports,binji/naclports,clchiou/naclports,adlr/naclports,binji/naclports,binji/naclports,kosyak/naclports_samsung-smart-tv,dtkav/naclports,kuscsik/naclports,kosyak/naclports_samsung-smart-tv,kosyak/naclports_samsung-smart-tv,Schibum/naclports,dtkav/naclports,adlr/naclports,Schibum/naclports,yeyus/naclports,adlr/naclports,Schibum/naclports,kosyak/naclports_samsung-smart-tv,clchiou/naclports,binji/naclports,Schibum/naclports,yeyus/naclports,yeyus/naclports,binji/naclports,yeyus/naclports,clchiou/naclports,yeyus/naclports,yeyus/naclports,dtkav/naclports,kuscsik/naclports,adlr/naclports,adlr/naclports,Schibum/naclports,kuscsik/naclports