[Fix] Delete a hook that shouldn't be there for some reason it get's stuck.

[Fix] Makefile infinate loop.

bin/Makefile

@@ -92,5 +92,4 @@ clean:
 	@(cd ../utils/mkspr; $(MAKE) clean)
 	@echo -e "\tCleaning Lua"
 	@(cd ../lib/lua; $(MAKE) clean)
-	@(cd ../lib/pluto; $(MAKE) clean)
 

src/hook.c

@@ -42,7 +42,8 @@ static int hook_run(Hook* hook) {
     if(player_missions[i].id == hook->parent)
       break;
   if(i >= MISSION_MAX) {
-    WARN("Trying to run hook with parent not in player mission stack!");
+    WARN("Trying to run hook with parent not in player mission stack: deleting");
+    hook->delete = 1; // So delete it.
     return -1;
   }
   misn = &player_missions[i];