Use __EMSCRIPTEN__ rather than EMSCRIPTEN.
Use __EMSCRIPTEN__ rather than EMSCRIPTEN.

MikePopoloski/bx,dariomanesku/bx,septag/termite,bkaradzic/bx,bkaradzic/bx,pigpigyyy/bx,fluffyfreak/bx,septag/termite,OlegOAndreev/bx,septag/bx,septag/termite,attilaz/bx,dariomanesku/bx,coconutxin/bx,septag/termite,0-wiz-0/bx,fluffyfreak/bx,septag/termite,pigpigyyy/bx,u-engine/bx,MikePopoloski/bx,0-wiz-0/bx,septag/bx,OlegOAndreev/bx,u-engine/bx,septag/termite,mmicko/bx,coconutxin/bx,BlueCrystalLabs/bx,mmicko/bx,BlueCrystalLabs/bx,attilaz/bx