package/libselinux: bump to version 3.2

Also drop upstream patch
0003-libselinux-rename-gettid-to-something-which-never-conflicts.patch

Signed-off-by: Adam Duskett <aduskett@gmail.com>
Tested-by: Matthew Weber <matthew.weber@collins.com>
Tested-by: Yann E. MORIN <yann.morin.1998@free.fr>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>