Make wMysteryGift*GameVersion constants consistent

engine/link/mystery_gift.asm

@@ -76,7 +76,7 @@ endc
 	jp z, .LinkCanceled
 	cp MG_OKAY
 	jp nz, .CommunicationError
-	ld a, [wMysteryGiftGameVersion]
+	ld a, [wMysteryGiftPartnerGameVersion]
 	cp POKEMON_PIKACHU_2_VERSION
 	jr z, .skip_checks
 	call .CheckAlreadyGotFiveGiftsToday
@@ -92,11 +92,11 @@ endc
 	ld a, [wMysteryGiftPartnerBackupItem]
 	and a
 	jp nz, .FriendNotReady
-	ld a, [wMysteryGiftGameVersion]
+	ld a, [wMysteryGiftPartnerGameVersion]
 	cp POKEMON_PIKACHU_2_VERSION
 	jr z, .skip_append_save
 	call .AddMysteryGiftPartnerID
-	ld a, [wMysteryGiftGameVersion]
+	ld a, [wMysteryGiftPartnerGameVersion]
 	cp RESERVED_GAME_VERSION
 	jr z, .skip_append_save
 	call .SaveMysteryGiftTrainerName
@@ -307,7 +307,7 @@ endc
 	ldh a, [hMGRole]
 	cp IR_SENDER
 	jr z, SenderExchangeMysteryGiftDataPayloads
-; receiver
+
 	ld hl, hMGExchangedByte
 	ld b, 1
 	call TryReceivingIRDataBlock
@@ -522,7 +522,7 @@ EndOrContinueMysteryGiftIRCommunication:
 	ldh a, [hMGRole]
 	cp IR_SENDER
 	jr z, .sender
-; receiver
+
 	call BeginReceivingIRCommunication
 	jr nz, EndOrContinueMysteryGiftIRCommunication
 	jp ReceiverExchangeMysteryGiftDataPayloads
@@ -563,7 +563,7 @@ ExchangeNameCardData:
 	ldh a, [hMGRole]
 	cp IR_SENDER
 	jr z, .sender
-; receiver
+
 	; Receive the data payload
 	call ReceiveNameCardDataPayload
 	jp nz, EndNameCardIRCommunication

ram/wram.asm

@@ -1073,7 +1073,7 @@ ENDU
 	ds 138
 
 wMysteryGiftPartnerData::
-wMysteryGiftGameVersion:: db
+wMysteryGiftPartnerGameVersion:: db
 wMysteryGiftPartnerID:: dw
 wMysteryGiftPartnerName:: ds NAME_LENGTH
 wMysteryGiftPartnerDexCaught:: db
@@ -1087,7 +1087,7 @@ wMysteryGiftPartnerDataEnd::
 	ds 60
 
 wMysteryGiftPlayerData::
-	ds 1
+wMysteryGiftPlayerGameVersion:: db
 wMysteryGiftPlayerID:: dw
 wMysteryGiftPlayerName:: ds NAME_LENGTH
 wMysteryGiftPlayerDexCaught:: db