Fix TomTom:AddWaypointToCurrentZone() to use AddWaypoint()

diff --git a/TomTom.lua b/TomTom.lua
index 7d1132c..5d102b3 100755
--- a/TomTom.lua
+++ b/TomTom.lua
@@ -780,7 +780,7 @@ function TomTom:AddWaypointToCurrentZone(x, y, desc)
         return
     end

-    return self:AddMFWaypoint(m, f, x/100, y/100, {title = desc})
+    return self:AddWaypoint(m, x/100, y/100, {title = desc})
 end

 -- Return a set of default callbacks that can be used by addons to provide