[TCPDIAG]: Just rename everything to inet_diag

Next changeset will rename tcp_diag.[ch] to inet_diag.[ch].

I'm taking this longer route so as to easy review, making clear the changes
made all along the way.

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
index 1e6db2a..019e88d 100644
--- a/net/ipv4/Kconfig
+++ b/net/ipv4/Kconfig
@@ -413,13 +413,13 @@
 	  
 	  If unsure, say Y.
 
-config IP_TCPDIAG
-	tristate "IP: TCP socket monitoring interface"
+config IP_INET_DIAG
+	tristate "IP: INET socket monitoring interface"
 	default y
 	---help---
-	  Support for TCP socket monitoring interface used by native Linux
-	  tools such as ss. ss is included in iproute2, currently downloadable
-	  at <http://developer.osdl.org/dev/iproute2>. 
+	  Support for INET (TCP, DCCP, etc) socket monitoring interface used by
+	  native Linux tools such as ss. ss is included in iproute2, currently
+	  downloadable at <http://developer.osdl.org/dev/iproute2>. 
 	  
 	  If unsure, say Y.