[linux-vr-cvsupdate] Update to module linux

[Bradley D. L. <br...@sl...>]

Update of /cvsroot/linux-vr/linux/include/linux
In directory slayer.i.sourceforge.net:/tmp/cvs-serv14627/include/linux

Modified Files:
	buttons.h 
Log Message:
Added BTN_SYNC for "syncronize now".