POSIX says IPPORT_RESERVED is in <netdb.h>.

In <netdb.h>:

http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/netdb.h.html

Not in <netinet/in.h>:

http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/netinet_in.h.html

Change-Id: Ie34cdb80eeb1443cf292944f3c68d8383aee2295

libc/bionic/netinet_in.cpp

@@ -29,6 +29,7 @@
 #include <netinet/in.h>
 
 #include <errno.h>
+#include <netdb.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <string.h>

libc/include/netdb.h

@@ -192,6 +192,8 @@ struct addrinfo {
  */
 #define	SCOPE_DELIMITER	'%'
 
+#define IPPORT_RESERVED 1024
+
 __BEGIN_DECLS
 
 /* BIONIC-BEGIN */

libc/include/netinet/in.h

@@ -40,8 +40,6 @@
 
 __BEGIN_DECLS
 
-#define IPPORT_RESERVED  1024
-
 #define INET_ADDRSTRLEN 16
 
 typedef uint16_t in_port_t;