Make snes9x detect little endian via "arch" == pnacl since it normally detects it via arch == x86.
Make snes9x detect little endian via "arch" == pnacl since it normally
detects it via arch == x86.

This should fix the black screen issue.
Review URL: https://chromiumcodereview.appspot.com/9310090

git-svn-id: 84b3587ce119b778414dcb50e18b7479aacf4f1d@538 7dad1e8b-422e-d2af-fbf5-8013b78bd812

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