Tweaks to fix problems with moon rendering introduced with ssg.

simgear/ephemeris/moon.cxx

@@ -371,10 +371,9 @@ void Moon::newImage()
 	// set lighting parameters
 	xglLightfv(GL_LIGHT0, GL_AMBIENT, white );
 	xglLightfv(GL_LIGHT0, GL_DIFFUSE, white );
-	// xglEnable( GL_CULL_FACE );
+	// Enable( GL_CULL_FACE );
 	xglMaterialfv(GL_FRONT, GL_AMBIENT, black);
 	xglMaterialfv(GL_FRONT, GL_DIFFUSE, moonColor); 
-	
 	//glEnable(GL_TEXTURE_2D);
 	
 	glBlendFunc(GL_ONE, GL_ONE);