testiconv: Print the total number of errors at the end

test/testiconv.c

@@ -86,5 +86,7 @@ main(int argc, char *argv[])
         SDL_free(test[0]);
     }
     fclose(file);
+
+    SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION, "Total errors: %d\n", errors);
     return (errors ? errors + 1 : 0);
 }