Clean up OP_ManaChange

common/eq_packet_structs.h

@@ -432,10 +432,11 @@ struct DeleteSpell_Struct
 
 struct ManaChange_Struct
 {
-	uint32	new_mana; // New Mana AMount
-	uint32	stamina;
-	uint32	spell_id;
-	uint32	unknown12;
+/*00*/	uint32	new_mana;		// New Mana AMount
+/*04*/	uint32	stamina;
+/*08*/	uint32	spell_id;
+/*12*/	uint8	keepcasting;	// won't stop the cast. Change mana while casting?
+/*13*/	uint8	padding[3];		// client doesn't read it, garbage data seems like
 };
 
 struct SwapSpell_Struct