[DSE-Dev] Bug#955286: libsepol: cherry-pick constraint fix

[Christian Göttsche]

Package: libsepol
Version: 3.0-1

Policy constraints of the form '(t1 == t2)' are incorrectly converted
into CIL code in versions 3.0 and prior.

Upstream fix commit:
https://github.com/SELinuxProject/selinux/commit/582b974b36f98846be81c7af5e0b78957cc1a5ee

Please consider to cherry-pick this fix when uploading for #955154.

Best regards
     Christian Göttsche