[Fix] Scout ai should probably work again.

scripts/ai/tpl/scout.lua

@@ -23,11 +23,12 @@ function control()
 
     -- Nothing to do so check if we are too far from the planet.
     -- (If there is one).
-    planet = ai.rndplanet()
+    mem.approach = ai.rndplanet()
+    planet = mem.approach
 
     if planet ~= nil then
       if ai.dist(planet) > planet_dist then
-        ai.pushtask(0, "approach", planet)
+        ai.pushtask(0, "approach")
         return
       end
     end
@@ -40,7 +41,7 @@ function control()
 
     -- Check if we are near enough.
   elseif task == "approach" then
-    planet = ai.target()
+    planet = mem.approach
 
     if ai.dist(planet) < planet_dist + ai.minbrakedist() then
       ai.poptask()
@@ -89,7 +90,7 @@ end
 
 -- Approaches the target.
 function approach()
-  target = ai.target()
+  target = mem.approach
   ai.face(target)
   ai.accel()
 end