clients: Remove a few unused variables

clients/simple-egl.c

@@ -195,7 +195,6 @@ create_surface(struct window *window)
 	struct display *display = window->display;
 	struct wl_visual *visual;
 	EGLBoolean ret;
-	int done = 0;
 	
 	if (!display->premultiplied_argb_visual)
 		wl_display_roundtrip(display->display);

clients/simple-shm.c

@@ -194,7 +194,6 @@ static struct display *
 create_display(void)
 {
 	struct display *display;
-	int i;
 
 	display = malloc(sizeof *display);
 	display->display = wl_display_connect(NULL);