Don't destroy wxFont from its GetFaceName() in wxMSW.

wxFont::GetFaceName() could destroy the HFONT used by the font accidentally,
avoid it by not invalidating the font when caching its face name.

Closes #16273.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@76595 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/font.cpp

@@ -149,7 +149,8 @@ public:
             {
                 // cache the face name, it shouldn't change unless the family
                 // does and wxNativeFontInfo::SetFamily() resets the face name
-                const_cast<wxFontRefData *>(this)->SetFaceName(facename);
+                // Don't call this->SetFaceName(), because it deletes the HFONT.
+                const_cast<wxNativeFontInfo &>(m_nativeFontInfo).SetFaceName(facename);
             }
         }