ax25: Fix missing break

At least there seems to be no reason to disallow ROSE sockets when
NETROM is loaded.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index 051f7ab..779095d 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -842,6 +842,7 @@
 		case AX25_P_NETROM:
 			if (ax25_protocol_is_registered(AX25_P_NETROM))
 				return -ESOCKTNOSUPPORT;
+			break;
 #endif
 #ifdef CONFIG_ROSE_MODULE
 		case AX25_P_ROSE: