Snippets for 4pane 8.0 from FreeBSD 150arm64

Sourced from https://pkg-status.freebsd.org/ampere5/data/latest-per-pkg/4pane/8.0_3/150arm64-default.log.

• MyGenericDirCtrl.cpp:1616:5: warning: 'this' pointer cannot be null in well-defined C++ code; pointer may be assumed to always convert to true [-Wundefined-bool-conversion]
   1616 | if(!this) return invalid; // in case we arrived here when there aren't any tabs
        |    ~^~~~
  

• Otherstreams.cpp:106:10: warning: comparison of different enumeration types in switch statement ('lzma_ret' and 'lzma_action') [-Wenum-compare-switch]
    103 | switch (ret_xz) 
        |         ~~~~~~
    104 |   { case LZMA_OK:   break;
    105 | 
    106 |     case LZMA_FINISH:
        |          ^~~~~~~~~~~