[COMMITTED] Canvas GL context close patch

[basixs]

posting this here just in case the other thread doesn't get read…

http://www.jmonkeyengine.com/jmeforum/index.php?topic=9981.0

[nymon]

Tested and its works great. Please add [commited] to the thread title. Thanks baxis.

[basixs]

Thats awesome thanx