AB+ blood fix (shiptest-ss13#2588)

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## About The Pull Request

Adds missing compatible bloodtypes to AB+ blood

## Why It's Good For The Game

People with AB+ blood will no longer die when being given any +
bloodtype

## Changelog

:cl:
fix: AB+ blood is no longer incompatible with + bloodtypes
/:cl:

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Signed-off-by: Theos <[email protected]>

code/datums/blood_type.dm

@@ -28,7 +28,7 @@
 
 /datum/blood_type/ab_plus
 	name = "AB+"
-	compatible_types = list(/datum/blood_type/b_minus, /datum/blood_type/a_minus, /datum/blood_type/ab_minus, /datum/blood_type/o_minus)
+	compatible_types = list(/datum/blood_type/b_minus, /datum/blood_type/b_plus, /datum/blood_type/a_minus, /datum/blood_type/a_plus, /datum/blood_type/ab_minus, /datum/blood_type/ab_plus, /datum/blood_type/o_minus, /datum/blood_type/o_plus)
 
 /datum/blood_type/o_minus
 	name = "O-"