- fixed 3099922 -- REGRESSION: Back button always pops up menu

        * Misc.subproj/WebNSViewExtras.h:
        * Misc.subproj/WebNSViewExtras.m:
        (-[NSView _web_dragShouldBeginFromMouseDown:withExpiration:xHysteresis:yHysteresis:]:
	Fixed a copy/paste error I made yesterday -- this method was never
	noticing the mouse-up events because it was checking the event type
	against the wrong number. Also changed the hysteresis values from
	unsigneds to floats (unsigned was just wrong).


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@2653 268f45cc-cd09-0410-ab3c-d52691b4dbfc