Fix webgl_renderer.clearSurface
Fix webgl_renderer.clearSurface

- Use the native glArray components.

TukekeSoft/melonJS,srbala/melonJS,gopalindians/melonJS,TukekeSoft/melonJS,gopalindians/melonJS,gopalindians/melonJS,srbala/melonJS,melonjs/melonJS,srbala/melonJS,MarkoIvanetic/melonJS,MarkoIvanetic/melonJS,rlugojr/melonJS,rlugojr/melonJS,melonjs/melonJS,TukekeSoft/melonJS,rlugojr/melonJS