bpf: plug some memory leaks and fix some memory errors
bpf: plug some memory leaks and fix some memory errors

Found compliments of valgrind.

Signed-off-by: Paul Moore <88a1d58bf22a647dce58dd91f9595600dceabba9@redhat.com>

amluto/libseccomp,seccomp/libseccomp,amluto/libseccomp,amluto/libseccomp,seccomp/libseccomp,seccomp/libseccomp