Fix pnacl toolchain path for naclports after pnacl toolchain moves.
Fix pnacl toolchain path for naclports after pnacl toolchain moves.

TEST= "NACL_PACKAGES_BITSIZE=pnacl  make  mikmod"
Review URL: http://codereview.chromium.org/9174007

git-svn-id: 84b3587ce119b778414dcb50e18b7479aacf4f1d@506 7dad1e8b-422e-d2af-fbf5-8013b78bd812

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