(gss_inquire_cred): take care to set export value to something sane

before we start so caller will have harmless values in them if we
fails


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@11740 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/gssapi/inquire_cred.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997 Kungliga Tekniska H<>gskolan
+ * Copyright (c) 1997, 2003 Kungliga Tekniska H<>gskolan
  * (Royal Institute of Technology, Stockholm, Sweden). 
  * All rights reserved. 
  *
@@ -46,6 +46,13 @@ OM_uint32 gss_inquire_cred
 {
     OM_uint32 ret;
 
+    *minor_status = 0;
+
+    if (name)
+	*name = NULL;
+    if (mechanisms)
+	*mechanisms = GSS_C_NO_OID_SET;
+
     if (cred_handle == GSS_C_NO_CREDENTIAL) {
         return GSS_S_FAILURE;
     }