two kerberos impls are used by samba now

[Michael Tokarev]

FWIW.

Just noticed that all samba executables on debian (built with
internal heimdal) are linked with *two* sets of kerberos libs.

This is due to libtirpc, which is a replacement for the former
in-glibc RPC code, which uses libgssapi-krb5.

This should not be specific to debian but rather specific to
glibc.

Wonder how common symbols from two krb5 don't clash...

/mjt