g_acquire_cred.c (gss_add_cred): New GSSAPI V2 function

g_acquire_cred.c (gss_add_cred): New GSSAPI V2 function

g_inquire_cred.c (gss_inquire_cred_by_mech): New GSSAPI V2 function.

g_init_sec_context.c (gss_init_sec_context): Make sure we convert the
	union credential into a mechanism specific credential.

g_glue.c (__gss_get_mechanism_cred): New function for returning the
	mechanism-specific credential from a union credential.

g_inquire_names.c (gss_inquire_names_for_mech):
g_oid_ops.c (gss_str_to_oid, gss_oid_to_str, ss_test_oid_set_member,
	gss_add_oid_set_member, gss_create_empty_oid_set, gss_release_oid):
g_imp_sec_context.c (gss_import_sec_context):
g_exp_sec_context.c (gss_export_sec_context):
g_inquire_cred.c (gss_inquire_cred):
g_rel_oid_set.c (gss_release_oid_set):
g_rel_buffer.c (gss_release_buffer):
g_rel_name.c (gss_release_name):
g_imp_name.c (gss_import_name):
g_dsp_name.c (gss_display_name):
g_compare_name.c (gss_compare_name):
g_indicate_mechs.c (gss_indicate_mechs):
g_dsp_status.c (gss_display_status):
g_unseal.c (gss_unseal, gss_unwrap):
g_seal.c (gss_seal, gss_wrap):
g_verify.c (gss_verify, gss_verify_mic):
g_sign.c (gss_sign, gss_get_mic):
g_context_time.c (gss_context_time):
g_delete_sec_context.c (gss_delete_sec_context):
g_process_context.c (gss_process_context):
g_accept_sec_context.c (gss_accept_sec_context):
g_init_sec_context.c (gss_init_sec_context):
g_rel_cred.c (gss_release_cred):
g_acquire_cred.c (gss_acquire_cred): Added INTERFACE keyword for Windows.

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@7536 dc483132-0cff-0310-8789-dd5450dbe970