Fix initializing gamepad_connected with USE_EM_GAMEPAD (non-default)
Fix initializing gamepad_connected with USE_EM_GAMEPAD (non-default)

Improved fix to GH-96. USE_EM_GAMEPAD is not the default, but useful for
testing against emscripten incoming until glfw_joystick3 APIs added (PR)

satoshinm/NetCraft,satoshinm/NetCraft,satoshinm/NetCraft,satoshinm/NetCraft,satoshinm/NetCraft