tipc: rename struct media to struct tipc_media

Give it a meaningful prefix, as suggested by DaveM, so that it
is consistent with things like struct tipc_bearer, and so it isn't
confused with anything else.  This has no impact on the actual
runtime code behaviour.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
diff --git a/net/tipc/link.c b/net/tipc/link.c
index 853b286..515dfe4 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -2793,7 +2793,7 @@
 	struct tipc_node *node;
 	struct link *l_ptr;
 	struct tipc_bearer *b_ptr;
-	struct media *m_ptr;
+	struct tipc_media *m_ptr;
 
 	l_ptr = link_find_link(name, &node);
 	if (l_ptr) {