libxml-2.9.10-h1a65802_0 package contains malformed .pc

[traversaro]

The lib\pkgconfig\libxml-2.0.pc files contains the lines:

Libs.private:     -L/home/runner/micromamba/envs/ci-env/conda-bld/libxml_1652202972834/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_p/lib/lib -lm  
Cflags: -I${includedir}/libxml2 -I/home/runner/micromamba/envs/ci-env/conda-bld/libxml_1652202972834/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_p/lib/include 

The lib/include and lib/lib should be include and lib instead, and can induce build errors.