Merge pull request #10793 from Verkister/patch-63

Adds a missing vore sanity check

code/modules/vore/eating/living_vr.dm

@@ -479,7 +479,9 @@
 	//Sanity
 	if(!user || !prey || !pred || !istype(belly) || !(belly in pred.vore_organs))
 		log_debug("[user] attempted to feed [prey] to [pred], via [belly ? lowertext(belly.name) : "*null*"] but it went wrong.")
-		return
+		return FALSE
+	if(pred == prey)
+		return FALSE
 
 	// The belly selected at the time of noms
 	var/attempt_msg = "ERROR: Vore message couldn't be created. Notify a dev. (at)"
@@ -902,4 +904,4 @@
 			for(var/EL in B.emote_lists)
 				to_chat(src, "<span class='notice'><b>[EL]:</b></span>")
 				for(var/msg in B.emote_lists[EL])
-					to_chat(src, "<span class='notice'>[msg]</span>")
+					to_chat(src, "<span class='notice'>[msg]</span>")