Fix size of the icon returned from wxFSVolume::GetIcon().

Calling SetHICON() is not enough, the icon size already needs to be set or,
even better, CreateFromHICON(), which does both atomically, should be used.

Closes #16672.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@78116 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/volume.cpp

@@ -614,11 +614,14 @@ wxIcon wxFSVolume::GetIcon(wxFSIconType type) const
 
         SHFILEINFO fi;
         long rc = SHGetFileInfo(m_volName.t_str(), 0, &fi, sizeof(fi), flags);
-        m_icons[type].SetHICON((WXHICON)fi.hIcon);
         if (!rc || !fi.hIcon)
         {
             wxLogError(_("Cannot load icon from '%s'."), m_volName.c_str());
         }
+        else
+        {
+            m_icons[type].CreateFromHICON((WXHICON)fi.hIcon);
+        }
     }
 
     return m_icons[type];