insecure runpaths

 * QA Notice: The following files contain insecure RUNPATHs
 *   /var/tmp/portage/sci-physics/mbdyn-1.7.3_p20210905/image/usr/libexec/mbpy/_mbc_py.son    RPATH: /var/tmp/portage/sci-physics/mbdyn-1.7.3_p20210905/work/mbdyn-52b2a525470b4d838ae1ab8149c55791b964454c/libraries/libmbc/.libs://usr/lib
/gcc/x86_64-pc-linux-gnu/11.2.0://usr/lib64

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