Fix wrong getModelMatrix result for buildings (#3331)

Author: TheNormalnij

Client/mods/deathmatch/logic/CClientBuilding.h

@@ -27,7 +27,7 @@ class CClientBuilding : public CClientEntity
     void GetPosition(CVector& vecPosition) const override { vecPosition = m_vPos; };
     void SetPosition(const CVector& vecPosition) override;
 
-    void GetRotationRadians(CVector& vecOutRadians) const override { vecOutRadians = m_vPos; };
+    void GetRotationRadians(CVector& vecOutRadians) const override { vecOutRadians = m_vRot; };
     void SetRotationRadians(const CVector& vecRadians) override;
 
     CEntity*       GetGameEntity() override { return m_pBuilding; };