tools/xenstore: add exports for quota variables

Some quota variables are not exported via header files.

This is part of XSA-326.

Signed-off-by: Juergen Gross <jgross@suse.com>
Acked-by: Julien Grall <jgrall@amazon.com>
(cherry picked from commit 1da16d5990)

tools/xenstore/xenstored_core.h

@@ -231,6 +231,11 @@ extern TDB_CONTEXT *tdb_ctx;
 extern int dom0_domid;
 extern int dom0_event;
 extern int priv_domid;
+extern int quota_nb_watch_per_domain;
+extern int quota_max_transaction;
+extern int quota_max_entry_size;
+extern int quota_nb_perms_per_node;
+extern int quota_max_path_len;
 extern int quota_nb_entry_per_domain;
 extern int quota_req_outstanding;
 extern int quota_trans_nodes;

tools/xenstore/xenstored_transaction.c

@@ -175,7 +175,6 @@ struct transaction
 	bool fail;
 };
 
-extern int quota_max_transaction;
 uint64_t generation;
 
 static void set_tdb_key(const char *name, TDB_DATA *key)

tools/xenstore/xenstored_watch.c

@@ -31,8 +31,6 @@
 #include "xenstored_domain.h"
 #include "xenstored_transaction.h"
 
-extern int quota_nb_watch_per_domain;
-
 struct watch
 {
 	/* Watches on this connection */