fix: enemies not interrupting QB's when they do damage

tested that stromlings in AG now correctly interrupt quickbuilds if the player takes damage

dGame/dBehaviors/NpcCombatSkillBehavior.h

@@ -8,6 +8,8 @@ public:
 
 	float m_npcSkillTime;
 
+	float m_maxRange{};
+
 	/*
 	 * Inherited
 	 */