headers, net: Use __kernel_sa_family_t in more definitions shared with userland

Complete the work started with commit
6602a4baf4d1a73cc4685a39ef859e1c5ddf654c ('net: Make userland include
of netlink.h more sane').

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/phonet.h b/include/linux/phonet.h
index 6fb1384..f53a416 100644
--- a/include/linux/phonet.h
+++ b/include/linux/phonet.h
@@ -24,6 +24,7 @@
 #define LINUX_PHONET_H
 
 #include <linux/types.h>
+#include <linux/socket.h>
 
 /* Automatic protocol selection */
 #define PN_PROTO_TRANSPORT	0
@@ -96,11 +97,11 @@
 
 /* Phonet socket address structure */
 struct sockaddr_pn {
-	sa_family_t spn_family;
+	__kernel_sa_family_t spn_family;
 	__u8 spn_obj;
 	__u8 spn_dev;
 	__u8 spn_resource;
-	__u8 spn_zero[sizeof(struct sockaddr) - sizeof(sa_family_t) - 3];
+	__u8 spn_zero[sizeof(struct sockaddr) - sizeof(__kernel_sa_family_t) - 3];
 } __attribute__((packed));
 
 /* Well known address */