kc3-lang/kc3

diff --git a/libc3/window/cairo/quartz/demo/window_cairo_quartz_demo.c b/libc3/window/cairo/quartz/demo/window_cairo_quartz_demo.c
index a13f851..7635a23 100644
--- a/libc3/window/cairo/quartz/demo/window_cairo_quartz_demo.c
+++ b/libc3/window/cairo/quartz/demo/window_cairo_quartz_demo.c
@@ -35,6 +35,7 @@ int main (int argc, s8 **argv)
   window.resize = window_cairo_demo_resize;
   if (! window_cairo_quartz_run(&window))
     r = g_c3_exit_code;
+  window_cairo_clean(&window);
   c3_window_cairo_clean();
   c3_clean(NULL);
   return r;
diff --git a/libc3/window/sdl2/window_sdl2.c b/libc3/window/sdl2/window_sdl2.c
index ae3576e..b5bb5ce 100644
--- a/libc3/window/sdl2/window_sdl2.c
+++ b/libc3/window/sdl2/window_sdl2.c
@@ -184,7 +184,7 @@ bool window_sdl2_run (s_window_sdl2 *window)
   int display_index;
   display_index = SDL_GetWindowDisplayIndex(sdl_window);
   if (display_index < 0) {
-    fprintf(stderr, "window_sdl2_run: failed to get display DPI: %s\n",
+    fprintf(stderr, "window_sdl2_run: failed to get display index: %s\n",
             SDL_GetError());
     goto ko;
   }