(krb5_cc_clear_mcred): new function, clear a krb5_creds to use with

krb5_cc_retrieve_cred


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@12421 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/krb5/cache.c

@@ -468,3 +468,14 @@ krb5_cc_get_version(krb5_context context,
     else
 	return 0;
 }
+
+/*
+ * Clear `mcreds' so it can be used with krb5_cc_retrieve_cred
+ */
+
+void
+krb5_cc_clear_mcred(krb5_creds *mcred)
+{
+    memset(mcred, 0, sizeof(*mcred));
+    return 0;
+}