First pass at changing SDL 2.0 to SDL 3.0

test/testver.c

@@ -29,10 +29,10 @@ main(int argc, char *argv[])
     /* Enable standard application logging */
     SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
 
-#if SDL_VERSION_ATLEAST(2, 0, 0)
-    SDL_Log("Compiled with SDL 2.0 or newer\n");
+#if SDL_VERSION_ATLEAST(3, 0, 0)
+    SDL_Log("Compiled with SDL 3.0 or newer\n");
 #else
-    SDL_Log("Compiled with SDL older than 2.0\n");
+    SDL_Log("Compiled with SDL older than 3.0\n");
 #endif
     SDL_VERSION(&compiled);
     SDL_Log("Compiled version: %d.%d.%d (%s)\n",