Fix linking issues

sc2/src/libs/graphics/sdl/sdl_common.c

@@ -80,10 +80,13 @@ TFB_InitGraphics (int driver, int flags, int width, int height)
 		result = TFB_Pure_InitGraphics (driver, flags, width, height);
 	}
 
+#if SDL_MAJOR_VERSION == 1
+	/* Other versions do this when setting up the window */
 	sprintf (caption, "The Ur-Quan Masters v%d.%d.%d%s",
 			UQM_MAJOR_VERSION, UQM_MINOR_VERSION,
 			UQM_PATCH_VERSION, UQM_EXTRA_VERSION);
 	SDL_WM_SetCaption (caption, NULL);
+#endif
 
 	if (flags & TFB_GFXFLAGS_FULLSCREEN)
 		SDL_ShowCursor (SDL_DISABLE);

sc2/src/libs/sound/mixer/sdl/audiodrv_sdl.c

@@ -98,7 +98,6 @@ sint32
 mixSDL_Init (audio_Driver *driver, sint32 flags)
 {
 	int i;
-	char devicename[256];
 	SDL_AudioSpec desired, obtained;
 	mixer_Quality quality;
 	TFB_DecoderFormats formats =
@@ -162,12 +161,19 @@ mixSDL_Init (audio_Driver *driver, sint32 flags)
 		return -1;
 	}
 
+	{
+#if SDL_MAJOR_VERSION == 1
+		char devicename[256];
 		SDL_AudioDriverName (devicename, sizeof (devicename));
+#else
+		const char *devicename = SDL_GetCurrentAudioDriver ();
+#endif
 		log_add (log_Info, "    using %s at %d Hz 16 bit %s, "
 				"%d samples audio buffer",
 				devicename, obtained.freq,
 				obtained.channels > 1 ? "stereo" : "mono",
 				obtained.samples);
+	}
 
 	log_add (log_Info, "Initializing mixer.");
 	if (!mixer_Init (obtained.freq, MIX_FORMAT_MAKE (2, obtained.channels),