[MINOR] stats: add a new node-name setting

The new "node-name" stats setting enables reporting of a node ID on
the stats page. It is possible to return the system's host name as
well as a specific name.
diff --git a/include/common/uri_auth.h b/include/common/uri_auth.h
index e52387c..132be21 100644
--- a/include/common/uri_auth.h
+++ b/include/common/uri_auth.h
@@ -38,6 +38,7 @@
 	int uri_len;			/* the prefix length */
 	char *uri_prefix;		/* the prefix we want to match */
 	char *auth_realm;		/* the realm reported to the client */
+	char *node_name;		/* the node name reported to the client */
 	int refresh;			/* refresh interval for the browser (in seconds) */
 	int flags;			/* some flags describing the statistics page */
 	struct user_auth *users;	/* linked list of valid user:passwd couples */
@@ -74,6 +75,7 @@
 struct uri_auth *stats_set_flag(struct uri_auth **root, int flag);
 struct uri_auth *stats_add_auth(struct uri_auth **root, char *user);
 struct uri_auth *stats_add_scope(struct uri_auth **root, char *scope);
+struct uri_auth *stats_set_node_name(struct uri_auth **root, char *name);
 
 #endif /* _COMMON_URI_AUTH_H */