added var parent. parent should not be global. Fixes IE 11

examples/webgl_geometry_shapes.html

@@ -25,7 +25,7 @@
 
 			var container, stats;
 
-			var camera, scene, renderer;
+			var camera, scene, renderer, parent;
 
 			var text, plane;
 

examples/webgl_particles_shapes.html

@@ -83,7 +83,7 @@
 
 			var container, stats;
 
-			var camera, scene, renderer;
+			var camera, scene, renderer, parent;
 
 			var text, plane;