VLCKit depends on [VLCWIndow isFullScreen
VLCKit use isFullScreen extension to NSWindow done for VLCWindow into gui/macosx/misc.m file.
2012-02-14 13:48:28.206 xxxxxxxx[62259:407] -[UNiFullscreenWindow isFullscreen]: unrecognized selector sent to instance 0x100369620 2012-02-14 13:48:28.206 xxxxxxxx[62259:407] -[UNiFullscreenWindow isFullscreen]: unrecognized selector sent to instance 0x100369620 2012-02-14 13:48:28.208 xxxxxxxx[62259:407] ( 0 CoreFoundation 0x00007fff8e22afc6 __exceptionPreprocess + 198 1 libobjc.A.dylib 0x00007fff89e82d5e objc_exception_throw + 43 2 CoreFoundation 0x00007fff8e2b72ae -[NSObject doesNotRecognizeSelector:] + 190 3 CoreFoundation 0x00007fff8e217e73 forwarding + 371 4 CoreFoundation 0x00007fff8e217c88 _CF_forwarding_prep_0 + 232 5 libvout_macosx_plugin.dylib 0x000000010d2cec40 -[VLCOpenGLVideoView setWindowFrameWithValue:] + 48