Add version number to krb5_cc_ops

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@22846 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/krb5/krb5.h

@@ -396,7 +396,10 @@ typedef struct krb5_creds {
 
 typedef struct krb5_cc_cache_cursor_data *krb5_cc_cache_cursor;
 
+#define KRB5_CC_OPS_VERSION 1
+
 typedef struct krb5_cc_ops {
+    int version;
     const char *prefix;
     const char* (*get_name)(krb5_context, krb5_ccache);
     krb5_error_code (*resolve)(krb5_context, krb5_ccache *, const char *);