[PATCH] clean up default value of IP_DCCP_ACKVEC

Default values for boolean and tristate options can only be 'y', 'm' or 'n'.
This patch removes wrong default for IP_DCCP_ACKVEC.
Signed-off-by: NJean-Luc Leger <jean-luc.leger@dspnet.fr.eu.org>
Cc: Arnaldo Carvalho de Melo <acme@conectiva.com.br>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

net/dccp/Kconfig

@@ -26,7 +26,7 @@ config INET_DCCP_DIAG
 
 config IP_DCCP_ACKVEC
 	depends on IP_DCCP
-	def_bool N
+	bool
 
 source "net/dccp/ccids/Kconfig"