Moved call to initEventq() into InitInputDevice() to prevent NULL events.


Moved call to initEventq() into InitInputDevice() to prevent NULL events from being passed in.  The surrounding IFDEF explains why BZ bug #820443 just went away - EL6 bumped the version of xorg-x11-server-source to 1.13 at EL6.4, which caused the call to initEventq() to no longer be evaluated.