Unbreak build on alpha.

- Move in_port_t to sys/types.h.
  - Nuke in_addr_t from each endian.h.

Reported by:	jhb

sys/alpha/include/endian.h

@@ -59,9 +59,6 @@
 #include <sys/cdefs.h>
 #include <sys/types.h>
 
-typedef u_int32_t in_addr_t;
-typedef u_int16_t in_port_t;
-
 __BEGIN_DECLS
 in_addr_t	htonl __P((in_addr_t));
 in_port_t	htons __P((in_port_t));

sys/ia64/include/endian.h

@@ -59,9 +59,6 @@
 #include <sys/cdefs.h>
 #include <sys/types.h>
 
-typedef u_int32_t in_addr_t;
-typedef u_int16_t in_port_t;
-
 __BEGIN_DECLS
 in_addr_t	htonl __P((in_addr_t));
 in_port_t	htons __P((in_port_t));

sys/powerpc/include/endian.h

@@ -58,9 +58,6 @@
 #include <sys/cdefs.h>
 #include <sys/types.h>
 
-typedef u_int32_t in_addr_t;
-typedef u_int16_t in_port_t;
-
 __BEGIN_DECLS
 in_addr_t	htonl __P((in_addr_t)) __attribute__((__const__));
 in_port_t	htons __P((in_port_t)) __attribute__((__const__));

sys/sys/types.h

@@ -74,6 +74,7 @@ typedef	u_int32_t	u_daddr_t;	/* unsigned disk address */
 typedef	u_int32_t	fixpt_t;	/* fixed point number */
 typedef	u_int32_t	gid_t;		/* group id */
 typedef	u_int32_t	in_addr_t;	/* base type for internet address */
+typedef	u_int16_t	in_port_t;
 typedef	u_int32_t	ino_t;		/* inode number */
 typedef	long		key_t;		/* IPC key (for Sys V IPC) */
 typedef	u_int16_t	mode_t;		/* permissions */