fixup! fixup! fixup! fixup! fixup! Add Emscripten builds

Author: HexDecimal

src/main.cpp

@@ -38,7 +38,7 @@ bool newGame=false;
 SaveGame saveGame;
 UserPref userPref;
 UmbraEngine engine("./data/cfg/umbra.txt",UMBRA_REGISTER_ALL);
-TCODImage background("./data/img/background.png");
+TCODImage background(0, 0); // Unused
 TCODParser config;
 
 HDRColor getHDRColorProperty(const TCODParser &parser,const char *name) {