Snippets for wxwidgets 3.3.4 from Nix aarch64-linux

Sourced from https://hydra.nixos.org/log/v9pzcpr23kg179pw0v7yl51xzriv755s-wxwidgets-3.3.4.drv.

• ./include/wx/dialog.h:112:36: warning: '<unknown>' may be used uninitialized [-Wmaybe-uninitialized]
    112 |         return DoGetParentForDialog(wxWindowMode::AppModal, parent, style);
        |                ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• ./src/richtext/richtextbuffer.cpp:13407:16: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]