demos: set init window size, not pos
diff --git a/progs/glsl/linktest.c b/progs/glsl/linktest.c
index 601b24e..988d082 100644
--- a/progs/glsl/linktest.c
+++ b/progs/glsl/linktest.c
@@ -242,7 +242,7 @@
 main(int argc, char *argv[])
 {
    glutInit(&argc, argv);
-   glutInitWindowPosition( 0, 0);
+   glutInitWindowSize(300, 300);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
    Win = glutCreateWindow(argv[0]);
    glutReshapeFunc(Reshape);