Fix tag mismatch in RG_CBasePlayer_Pain (#363)

https://github.com/rehlds/ReAPI/blob/master/reapi/extra/amxmodx/scripting/include/cssdk_const.inc#L737

Author: Nord1cWarr1or

reapi/extra/amxmodx/scripting/include/reapi_gamedll_const.inc

@@ -890,7 +890,7 @@ enum GamedllFunc_CBasePlayer
 	/*
 	* Description:      Called when a client emits a "pain sound" after received damage.
 	* Return type:      void
-	* Params:           (const this, lastHitGroup, bool:hasArmour)
+	* Params:           (const this, HitBoxGroup:lastHitGroup, bool:hasArmour)
 	*/
 	RG_CBasePlayer_Pain,