fixed a jshint issue
fixed a jshint issue

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