core: register UNIT_ENTERED_VEHICLE, UNIT_EXITED_VEHICLE and UNIT_PET…

… as unitless to properly get the updates.

ouf.lua

@@ -213,14 +213,14 @@ local initObject = function(unit, style, styleFunc, header, ...)
 		end
 
 		if(not (suffix == 'target' or objectUnit and objectUnit:match'target')) then
-			object:RegisterEvent('UNIT_ENTERED_VEHICLE', updateActiveUnit)
-			object:RegisterEvent('UNIT_EXITED_VEHICLE', updateActiveUnit)
+			object:RegisterEvent('UNIT_ENTERED_VEHICLE', updateActiveUnit, true)
+			object:RegisterEvent('UNIT_EXITED_VEHICLE', updateActiveUnit, true)
 
 			-- We don't need to register UNIT_PET for the player unit. We register it
 			-- mainly because UNIT_EXITED_VEHICLE and UNIT_ENTERED_VEHICLE doesn't always
 			-- have pet information when they fire for party and raid units.
 			if(objectUnit ~= 'player') then
-				object:RegisterEvent('UNIT_PET', UpdatePet)
+				object:RegisterEvent('UNIT_PET', UpdatePet, true)
 			end
 		end