Updated SDL2 to the latest Mercurial revision.

libs/SDL2/test/testjoystick.c

@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2015 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -56,6 +56,12 @@ loop(void *arg)
 
         while (SDL_PollEvent(&event)) {
             switch (event.type) {
+
+            case SDL_JOYDEVICEREMOVED:
+                SDL_Log("Joystick device %d removed.\n", (int) event.jdevice.which);
+                SDL_Log("Our instance ID is %d\n", (int) SDL_JoystickInstanceID(joystick));
+                break;
+
             case SDL_JOYAXISMOTION:
                 SDL_Log("Joystick %d axis %d value: %d\n",
                        event.jaxis.which,
@@ -169,6 +175,12 @@ loop(void *arg)
             done = SDL_TRUE;
             retval = SDL_TRUE;  /* keep going, wait for reattach. */
         }
+
+#ifdef __EMSCRIPTEN__
+    if (done) {
+        emscripten_cancel_main_loop();
+    }
+#endif
 }
 
 static SDL_bool