[TIPC]: Minor cleanup of message header code

This patch eliminates some unused or duplicate message header
symbols, and fixes up the comments and/or location of a few
other symbols.

Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/tipc/msg.c b/net/tipc/msg.c
index 7824854..696a863 100644
--- a/net/tipc/msg.c
+++ b/net/tipc/msg.c
@@ -73,10 +73,10 @@
 		tipc_printf(buf, "NO(%u/%u):",msg_long_msgno(msg),
 			    msg_fragm_no(msg));
 		break;
-	case DATA_LOW:
-	case DATA_MEDIUM:
-	case DATA_HIGH:
-	case DATA_CRITICAL:
+	case TIPC_LOW_IMPORTANCE:
+	case TIPC_MEDIUM_IMPORTANCE:
+	case TIPC_HIGH_IMPORTANCE:
+	case TIPC_CRITICAL_IMPORTANCE:
 		tipc_printf(buf, "DAT%u:", msg_user(msg));
 		if (msg_short(msg)) {
 			tipc_printf(buf, "CON:");
@@ -229,10 +229,10 @@
 	switch (usr) {
 	case CONN_MANAGER:
 	case NAME_DISTRIBUTOR:
-	case DATA_LOW:
-	case DATA_MEDIUM:
-	case DATA_HIGH:
-	case DATA_CRITICAL:
+	case TIPC_LOW_IMPORTANCE:
+	case TIPC_MEDIUM_IMPORTANCE:
+	case TIPC_HIGH_IMPORTANCE:
+	case TIPC_CRITICAL_IMPORTANCE:
 		if (msg_short(msg))
 			break;	/* No error */
 		switch (msg_errcode(msg)) {