(krb5_config_vget_next): handle c == NULL

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@4305 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/krb5/config_file.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997 Kungliga Tekniska H<>gskolan
+ * Copyright (c) 1997, 1998 Kungliga Tekniska H<>gskolan
  * (Royal Institute of Technology, Stockholm, Sweden). 
  * All rights reserved. 
  *
@@ -385,6 +385,9 @@ krb5_config_vget_next (krb5_context context,
     const char *p;
 
     if(c == NULL)
+	c = context->cf;
+
+    if (c == NULL)
 	return NULL;
 
     if (*pointer == NULL) {