[Win] Do not unregister class twice
authorStefanos A. <stapostol@gmail.com>
Wed, 8 Jan 2014 18:21:29 +0000 (19:21 +0100)
committerStefanos A. <stapostol@gmail.com>
Wed, 8 Jan 2014 18:21:29 +0000 (19:21 +0100)
commit7363cfee7baa5644654a5161d936a1bf1c4853f0
treed99c8a982015148d92e9674620969c629d920e05
parent51baed7286440fba00a27ae8dc57ba5fb319e535
[Win] Do not unregister class twice

Only the parent window would register a class, but both the parent and
the child window would unregister it. This is now fixed.
Source/OpenTK/Platform/Windows/WinGLNative.cs