progs/demos: fix glut initialization calls

Remove glutInitWindowPosition() calls to play nicer with window managers.

Move glutInitWindowSize() calls before glutInit() so the the default window
size can be overridden by the -geometry cmd line option.

progs/demos/morph3d.c

@@ -841,9 +841,8 @@ int main(int argc, char **argv)
 
   object=1;
 
-  glutInit(&argc, argv);
-  glutInitWindowPosition(0,0);
   glutInitWindowSize(640,480);
+  glutInit(&argc, argv);
 
   glutInitDisplayMode( GLUT_DEPTH | GLUT_DOUBLE | GLUT_RGB );