minor update to os/2 config file and update.

binary (dll) output doesn't change.

Makefile.os2

@@ -59,6 +59,7 @@ SRCS+= SDL_systimer.c
 SRCS+= SDL_sysloadso.c
 SRCS+= SDL_sysfilesystem.c
 SRCS+= SDL_syshaptic.c SDL_sysjoystick.c
+SRCS+= SDL_virtualjoystick.c
 SRCS+= SDL_dummyaudio.c SDL_diskaudio.c
 SRCS+= SDL_nullvideo.c SDL_nullframebuffer.c SDL_nullevents.c
 SRCS+= SDL_dummysensor.c
@@ -79,7 +80,7 @@ MOBJS= $(MSRCS:.c=.obj)
 .extensions: .lib .dll .obj .c .asm
 
 .c: ./src;./src/dynapi;./src/audio;./src/cpuinfo;./src/events;./src/file;./src/haptic;./src/joystick;./src/power;./src/render;./src/render/software;./src/sensor;./src/stdlib;./src/thread;./src/timer;./src/video;./src/video/yuv2rgb;./src/atomic;./src/audio/disk;
-.c: ./src/haptic/dummy;./src/joystick/dummy;./src/audio/dummy;./src/video/dummy;./src/sensor/dummy;
+.c: ./src/haptic/dummy;./src/joystick/dummy;./src/joystick/virtual;./src/audio/dummy;./src/video/dummy;./src/sensor/dummy;
 .c: ./src/core/os2;./src/core/os2/geniconv;./src/audio/os2;./src/loadso/os2;./src/filesystem/os2;./src/thread/os2;./src/timer/os2;./src/video/os2;
 .c: ./src/locale/;./src/locale/unix;./src/misc;./src/misc/dummy;
 

include/SDL_config_os2.h

@@ -32,6 +32,8 @@
 #define SDL_POWER_DISABLED  1
 #define SDL_JOYSTICK_DISABLED 1
 #define SDL_HAPTIC_DISABLED 1
+/*#undef SDL_JOYSTICK_HIDAPI */
+/*#undef SDL_JOYSTICK_VIRTUAL */
 
 #define SDL_SENSOR_DUMMY 1
 #define SDL_VIDEO_DRIVER_DUMMY 1