XXXX adding PID information to netstat output

@@ -28,10 +28,11 @@
 #ifdef  __cplusplus
 extern "C" {
 #endif
 
 #include <sys/socket.h>
+#include <sys/pidnode.h>
 
 /*
  * Generation count
  */
 typedef uint64_t sock_connid_t;

@@ -198,10 +199,11 @@
         void    (*su_txq_full)(sock_upper_handle_t, boolean_t);
         void    (*su_signal_oob)(sock_upper_handle_t, ssize_t);
         void    (*su_zcopy_notify)(sock_upper_handle_t);
         void    (*su_set_error)(sock_upper_handle_t, int);
         void    (*su_closed)(sock_upper_handle_t);
+        mblk_t *(*su_get_sock_pid_mblk)(sock_upper_handle_t);
 };
 
 #define SOCK_UC_VERSION         sizeof (sock_upcalls_t)
 #define SOCK_DC_VERSION         sizeof (sock_downcalls_t)