Fix holocall languages breaking.

code/datums/station_traits/negative_traits.dm

@@ -93,7 +93,7 @@
 	for(var/mob/living/simple_animal/bot/found_bot in GLOB.alive_mob_list)
 		/// The bot's language holder - so we can randomize and change their language
 		var/datum/language_holder/bot_languages = found_bot.get_language_holder()
-		bot_languages.selected_language = bot_languages.get_random_spoken_language()
+		bot_languages.set_selected_language(bot_languages.get_random_spoken_language())
 
 /datum/station_trait/revenge_of_pun_pun
 	name = "Revenge of Pun Pun"

code/game/atoms_movable.dm

@@ -1188,7 +1188,7 @@
 */
 
 /// Gets or creates the relevant language holder. For mindless atoms, gets the local one. For atom with mind, gets the mind one.
-/atom/movable/proc/get_language_holder(get_minds = TRUE)
+/atom/movable/proc/get_language_holder(get_minds = TRUE) as /datum/language_holder
 	RETURN_TYPE(/datum/language_holder)
 	if(!language_holder)
 		language_holder = new initial_language_holder(src)

code/game/machinery/hologram.dm

@@ -690,7 +690,7 @@ For the other part of the code, check silicon say.dm. Particularly robot talk.*/
 	Hologram.add_atom_colour("#77abff", FIXED_COLOUR_PRIORITY)
 	Hologram.dir = SOUTH //for now
 	var/datum/language_holder/holder = Hologram.get_language_holder()
-	holder.selected_language = record.language
+	holder.set_selected_language(GET_LANGUAGE_DATUM(record.language))
 	Hologram.mouse_opacity = MOUSE_OPACITY_TRANSPARENT//So you can't click on it.
 	Hologram.layer = FLY_LAYER//Above all the other objects/mobs. Or the vast majority of them.
 	Hologram.set_anchored(TRUE)//So space wind cannot drag it.
@@ -774,7 +774,7 @@ For the other part of the code, check silicon say.dm. Particularly robot talk.*/
 			return
 		if(HOLORECORD_LANGUAGE)
 			var/datum/language_holder/holder = replay_holo.get_language_holder()
-			holder.selected_language = entry[2]
+			holder.set_selected_language(GET_LANGUAGE_DATUM(entry[2]))
 		if(HOLORECORD_PRESET)
 			var/preset_type = entry[2]
 			var/datum/preset_holoimage/H = new preset_type

code/modules/flockmind/flock_language.dm

@@ -1,8 +1,9 @@
 /datum/language/flock
+	name = "Symphonic"
 	syllables = list("caw")
 	sentence_chance = 0
 	space_chance = 100
-	default_priority = 101
+	default_priority = 99
 	key = "f"
 
 	icon_state = "flock"

code/modules/language/language_holder.dm

@@ -71,6 +71,13 @@ Key procs
 	owner = null
 	return ..()
 
+/// Setter for selected language.
+/datum/language_holder/proc/set_selected_language(datum/language/new_selected)
+	if(!istype(new_selected))
+		CRASH("Tried to set selected language to a [new_selected].")
+
+	selected_language = new_selected
+
 /// Grants the supplied language.
 /datum/language_holder/proc/grant_language(datum/language/language, understood = TRUE, spoken = TRUE, source = LANGUAGE_MIND)
 	if(istype(language))
@@ -185,6 +192,8 @@ Key procs
 
 /// Returns selected language if it can be spoken, or decides, sets and returns a new selected language if possible.
 /datum/language_holder/proc/get_selected_language()
+	RETURN_TYPE(/datum/language)
+
 	if(selected_language && can_speak_language(selected_language))
 		return selected_language
 

code/modules/language/language_menu.dm

@@ -79,7 +79,7 @@
 	switch(action)
 		if("select_default")
 			if(language_datum && AM.can_speak_language(language_datum))
-				language_holder.selected_language = language_datum
+				language_holder.set_selected_language(language_datum)
 				. = TRUE
 		if("grant_language")
 			if((is_admin || isobserver(AM)) && language_datum)

code/modules/mob/living/silicon/pai/pai_defense.dm

@@ -22,9 +22,9 @@
 		if(3)
 			adjust_timed_status_effect(INFINITY, /datum/status_effect/speech/stutter/derpspeech)
 			to_chat(src, span_danger("Warning: Vocabulary databank corrupted."))
-	if(prob(40))
-		mind.language_holder.selected_language = get_random_spoken_language()
 
+	if(prob(40))
+		mind.language_holder.set_selected_language(get_random_spoken_language())
 
 /mob/living/silicon/pai/ex_act(severity, target)
 	take_holo_damage(50 * severity)

code/modules/unit_tests/say.dm

@@ -146,7 +146,7 @@
 
 	// Language test
 	speaker.grant_language(/datum/language/beachbum)
-	speaker.get_language_holder():selected_language = GET_LANGUAGE_DATUM(/datum/language/beachbum)
+	speaker.get_language_holder():set_selected_language(GET_LANGUAGE_DATUM(/datum/language/beachbum))
 	listener.add_blocked_language(/datum/language/beachbum)
 	// speaking and whispering should be hearable
 	conversation(distance = 1)