Fix bug generated by stuff happening in-combat

diff --git a/modules/travel.lua b/modules/travel.lua
index fe90347..3b75148 100644
--- a/modules/travel.lua
+++ b/modules/travel.lua
@@ -351,6 +351,7 @@ function TravelModule:Refresh()
     self.portText:SetText(xb.db.profile.modules.travel.portItem.text)
     self:SetHearthColor()
     self:SetPortColor()
+    return
   end

   local db = xb.db.profile