trust: Fix use of invalid memory in PEM parser
trust: Fix use of invalid memory in PEM parser

freedesktop-unofficial-mirror/p11-glue__p11-kit,pspacek/p11-kit,freedesktop-unofficial-mirror/p11-glue__p11-kit,lkundrak/p11-kit,pspacek/p11-kit,lkundrak/p11-kit,lkundrak/p11-kit,pspacek/p11-kit,pspacek/p11-kit,freedesktop-unofficial-mirror/p11-glue__p11-kit