Fixed _sans support for Mac
Fixed _sans support for Mac

I had default to Helvetica, but (unfortunately) OS X is using a *.dfont file for Helvetica, which isn't processing properly with Freetype. Although font purists will be disappointed, I've pointed it to Arial.ttf for now.

git-svn-id: 6cc2fa9b7d2830c930c171b991ffcd5e23f23d5e@1127 1509560c-5e2a-0410-865c-31c25e1cfdef

haxenme/nme,thomasuster/NME,madrazo/nme,madrazo/nme,haxenme/nme,thomasuster/NME,madrazo/nme,madrazo/nme,haxenme/nme,madrazo/nme,thomasuster/NME,madrazo/nme,haxenme/nme,thomasuster/NME,thomasuster/NME,haxenme/nme,thomasuster/NME