egl: Make eglscreen sleep for five seconds

progs/egl/eglscreen.c

@@ -32,6 +32,7 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
+#include <unistd.h>
 #include <GL/gl.h>
 #include <EGL/egl.h>
 #include <EGL/eglext.h>
@@ -109,6 +110,8 @@ main(int argc, char *argv[])
 		return 0;
 	}
 
+	usleep(5000000);
+
 	eglDestroySurface(d, screen_surf);
 	eglTerminate(d);