/usr/include/mit-krb5/gssrpc/ is in krb5-multidev 1.15-1+deb9u1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/mit-krb5/gssrpc/auth.h
/usr/include/mit-krb5/gssrpc/auth_gss.h
/usr/include/mit-krb5/gssrpc/auth_gssapi.h
/usr/include/mit-krb5/gssrpc/auth_unix.h
/usr/include/mit-krb5/gssrpc/clnt.h
/usr/include/mit-krb5/gssrpc/netdb.h
/usr/include/mit-krb5/gssrpc/pmap_clnt.h
/usr/include/mit-krb5/gssrpc/pmap_prot.h
/usr/include/mit-krb5/gssrpc/pmap_rmt.h
/usr/include/mit-krb5/gssrpc/rename.h
/usr/include/mit-krb5/gssrpc/rpc.h
/usr/include/mit-krb5/gssrpc/rpc_msg.h
/usr/include/mit-krb5/gssrpc/svc.h
/usr/include/mit-krb5/gssrpc/svc_auth.h
/usr/include/mit-krb5/gssrpc/types.h
/usr/include/mit-krb5/gssrpc/xdr.h