POLARIS: Don't require hostile=1 on silly things

Like cats, just to get them to hunt mice.

code/modules/mob/living/simple_animal/animals/cat.dm

@@ -9,7 +9,6 @@
 	icon_dead = "cat2_dead"
 	icon_rest = "cat2_rest"
 
-	hostile = 1 //To mice, anyway.
 	investigates = 1
 	specific_targets = 1 //Only targets with Found()
 	run_at_them = 0 //DOMESTICATED

code/modules/mob/living/simple_animal/simple_animal.dm

@@ -545,7 +545,7 @@
 					stop_automated_movement = 0
 
 			//Search for targets while idle
-			if(hostile)
+			if(hostile || specific_targets)
 				FindTarget()
 		if(STANCE_FOLLOW)
 			annoyed = 15
@@ -553,7 +553,7 @@
 			if(follow_until_time && world.time > follow_until_time)
 				LoseFollow()
 				return
-			if(hostile)
+			if(hostile || specific_targets)
 				FindTarget()
 		if(STANCE_ATTACK)
 			annoyed = 50