Use statements instead of equivalents

(cherry picked from commit 77e40301c9)

game/scripts/interface/parcel.rpy

@@ -72,20 +72,20 @@ init python:
 
             return (text, icon)
 
-label parcel(parcel, label):
+label parcel(parcel, lbl):
     show screen bld1
     show screen blktone
 
     $ renpy.checkpoint()
 
-    $ renpy.call("give_reward", *parcel.get_caption())
+    call give_reward(*parcel.get_caption())
 
     hide screen blktone
     hide screen bld1
     with d3
 
-    if label:
-        $ renpy.call(label)
+    if lbl:
+        call expression lbl
 
     return