Add missing semicolon in software_sandbox

examples/software_sandbox.html

@@ -104,7 +104,7 @@
 				var points = hilbert3D( new THREE.Vector3( 0,0,0 ), 200.0, 1, 0, 1, 2, 3, 4, 5, 6, 7 );
 				var spline = new THREE.Spline( points );
 				var n_sub = 6, colors = [], line;
-				var lineGeometry = new THREE.Geometry()
+				var lineGeometry = new THREE.Geometry();
 
 				for ( i = 0; i < points.length * n_sub; i ++ ) {