Fix target check.

Same as https://github.com/ValveSoftware/halflife/issues/3083.

dlls/cbase.h

@@ -193,7 +193,7 @@ public:
 	virtual BOOL IsAlive( void ) { return (pev->deadflag == DEAD_NO) && pev->health > 0; }
 	virtual BOOL IsBSPModel( void ) { return pev->solid == SOLID_BSP || pev->movetype == MOVETYPE_PUSHSTEP; }
 	virtual BOOL ReflectGauss( void ) { return ( IsBSPModel() && !pev->takedamage ); }
-	virtual BOOL HasTarget( string_t targetname ) { return FStrEq(STRING(targetname), STRING(pev->targetname) ); }
+	virtual BOOL HasTarget( string_t targetname ) { return FStrEq(STRING(targetname), STRING(pev->target) ); }
 	virtual BOOL IsInWorld( void );
 	virtual	BOOL IsPlayer( void ) { return FALSE; }
 	virtual BOOL IsNetClient( void ) { return FALSE; }