add a little documentation

diff --git a/mech_eap/inquire_name.c b/mech_eap/inquire_name.c
index 388f3a9..47f694b 100644 (file)
--- a/mech_eap/inquire_name.c
+++ b/mech_eap/inquire_name.c
@@ -37,6 +37,10 @@ struct eap_gss_attribute_args {
     gss_buffer_set_t attrs;
 };
 
+/*
+ * The purpose of this callback interface is to not expose the attribute
+ * prefixes to the attribute providers themselves.
+ */
 static OM_uint32
 addAttribute(OM_uint32 *minor,
              void *data,