WebGLRenderer: Clean up.

src/renderers/WebGLRenderer.js

@@ -3425,10 +3425,9 @@ THREE.WebGLRenderer = function ( parameters ) {
 
 		}
 
-		if ( framebuffer !== _currentFramebuffer ) {
+		if ( _currentFramebuffer !== framebuffer ) {
 
 			_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );
-
 			_currentFramebuffer = framebuffer;
 
 		}