ISDN: [PATCH] isdn_net_lib.c must include isdn_concap.h

From Adrian Bunk:

> With CONFIG_ISDN_X25 enabled I got the following compile error in 
> isdn_net_lib.c in 2.5.61:
> The following patch solved it for me:

Additionally, disable CONFIG_ISDN_X25 in Kconfig, since it's still
badly broken.

drivers/isdn/i4l/Kconfig

@@ -85,7 +85,7 @@ config ISDN_TTY_FAX
 
 config ISDN_X25
 	bool "X.25 PLP on top of ISDN"
-	depends on X25
+	depends on X25 && BROKEN
 	help
 	  This feature provides the X.25 protocol over ISDN connections.
 	  See <file:Documentation/isdn/README.x25> for more information

drivers/isdn/i4l/isdn_net_lib.c

@@ -58,6 +58,7 @@
 #include "isdn_net.h"
 #include "isdn_ppp.h"
 #include "isdn_ciscohdlck.h"
+#include "isdn_concap.h"
 
 #define ISDN_NET_TX_TIMEOUT (20*HZ)