update gluPerspective to have more resolution in depth plane

modes/Starfield.cc

@@ -62,7 +62,7 @@ bool Starfield::configure (GnomeScreensaver & gs)
 {
     glMatrixMode(GL_PROJECTION);
     glLoadIdentity();
-    gluPerspective(60.0, gs.getAspectRatio(), 0.01, MAX_STAR_DIST);
+    gluPerspective(60.0, gs.getAspectRatio(), 1.0, MAX_STAR_DIST);
 
     glMatrixMode(GL_MODELVIEW);
     glLoadIdentity();