[d3d9] Fix crash if device is freed with bound textures

src/d3d9/d3d9_device.h

@@ -1358,8 +1358,6 @@ namespace dxvk {
     std::atomic<int64_t>            m_availableMemory = { 0 };
     std::atomic<int32_t>            m_samplerCount    = { 0 };
 
-    Direct3DState9                  m_state;
-
     D3D9DeviceLostState             m_deviceLostState          = D3D9DeviceLostState::Ok;
     HWND                            m_fullscreenWindow         = NULL;
 
@@ -1367,6 +1365,10 @@ namespace dxvk {
     lru_list<D3D9CommonTexture*>    m_mappedTextures;
 #endif
 
+    // m_state should be declared last (i.e. freed first), because it
+    // references objects that can call back into the device when freed.
+    Direct3DState9                  m_state;
+
     D3D9VkInteropDevice             m_d3d9Interop;
   };