krb5 commit: Add header comments for gss_krb5_copy_ccache()

https://github.com/krb5/krb5/commit/9ecfca506328f3ece1c54956a07abb7927e53c6f
commit 9ecfca506328f3ece1c54956a07abb7927e53c6f
Author: Greg Hudson <[email protected]>
Date:   Wed Dec 14 11:12:46 2016 -0500

    Add header comments for gss_krb5_copy_ccache()

 src/lib/gssapi/krb5/gssapi_krb5.h |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/src/lib/gssapi/krb5/gssapi_krb5.h b/src/lib/gssapi/krb5/gssapi_krb5.h
index 390b000..37fa3da 100644
--- a/src/lib/gssapi/krb5/gssapi_krb5.h
+++ b/src/lib/gssapi/krb5/gssapi_krb5.h
@@ -169,6 +169,11 @@ OM_uint32 KRB5_CALLCONV gss_krb5_get_tkt_flags(
     gss_ctx_id_t context_handle,
     krb5_flags *ticket_flags);
 
+/*
+ * Copy krb5 creds from cred_handle into out_ccache, which must already be
+ * initialized.  Use gss_store_cred_into() (new in krb5 1.11) instead, if
+ * possible.
+ */
 OM_uint32 KRB5_CALLCONV gss_krb5_copy_ccache(
     OM_uint32 *minor_status,
     gss_cred_id_t cred_handle,