Ecore_Wayland: Add missing __UNUSED__ to function paramateres ... Oh,

Ecore_Wayland: Add missing __UNUSED__ to function paramateres ... Oh,
and also Fix Ticket #1242 where windows would resize in an incorrect
direction.

When resized an elm client application in Weston, and you grabbed the
top of the window to resize it, all resizing action was occuring from
the bottom of the window. Let's fix that ;) Now when you grab the top
of the window and resize it, it actually does resize from the top :)

SVN revision: 74933