Snippets for librecad 2.2.1.5 from Nix aarch64-linux

Sourced from https://hydra.nixos.org/log/p3qdazbvgl0p795sv17wxywngbc8nvdq-librecad-2.2.1.5.drv.

• lib/filters/rs_filterdxf1.cpp:1759:35: warning: comparison is always true due to limited range of data type [-Wtype-limits]
   1759 |         if(fBuf[bc]<32 && fBuf[bc]>=0) {
        |                           ~~~~~~~~^~~
  

• circletools.cpp:270:13: warning: 'bool {anonymous}::changeCircleLayerInPlace(Plug_Entity*, const QString&, bool&)' defined but not used [-Wunused-function]
    270 | static bool changeCircleLayerInPlace(Plug_Entity* ent, const QString& targetLayer, bool& outAlreadyOnLayer) {
        |             ^~~~~~~~~~~~~~~~~~~~~~~~