Silence warnings about socklen_t pointers sign in erl_memory

erl_memory.c:947:7: warning: passing 'int *' to parameter of type 'socklen_t *' (aka 'unsigned int *') converts between pointers to integer types with different sign [-Wpointer-sign]
                    &saddr_size) != 0)
                    ^~~~~~~~~~~
/usr/include/sys/socket.h:616:74: note: passing argument to parameter here
int     getsockname(int, struct sockaddr * __restrict, socklen_t * __restrict)
                                                                             ^

erl_memory.c:2613:57: warning: passing 'int *' to parameter of type 'socklen_t *' (aka 'unsigned int *') converts between pointers to integer types with different sign [-Wpointer-sign]
    sock = accept(lsock, (struct sockaddr *) &oth_addr, &oth_addr_len);
                                                        ^~~~~~~~~~~~~
/usr/include/sys/socket.h:610:69: note: passing argument to parameter here
int     accept(int, struct sockaddr * __restrict, socklen_t * __restrict)
                                                                        ^

1 files changed, 4 insertions, 3 deletions

diff --git a/lib/tools/c_src/erl_memory.c b/lib/tools/c_src/erl_memory.c
index 398b320041..c4e126a7b1 100644
--- a/lib/tools/c_src/erl_memory.c
+++ b/lib/tools/c_src/erl_memory.c
@@ -1,7 +1,7 @@
 /*
  * %CopyrightBegin%
  *
- * Copyright Ericsson AB 2003-2012. All Rights Reserved.
+ * Copyright Ericsson AB 2003-2013. All Rights Reserved.
  *
  * The contents of this file are subject to the Erlang Public License,
  * Version 1.1, (the "License"); you may not use this file except in
@@ -30,6 +30,7 @@
 #	undef WIN32_LEAN_AND_MEAN
 #	define WIN32_LEAN_AND_MEAN
 #	include <windows.h>
+typedef int socklen_t;
 #else
 #	if defined(__linux__) && defined(__GNUC__)
 #   		define _GNU_SOURCE 1
@@ -938,7 +939,7 @@ print_emu_arg(em_state *state)
     struct hostent *hp;
     struct in_addr iaddr;
     usgnd_int_16 port;
-    int saddr_size = sizeof(saddr);
+    socklen_t saddr_size = sizeof(saddr);
     size_t size;
     char *format = "> Emulator command line argument: +Mit %s\n";
 
@@ -2555,7 +2556,7 @@ init_connection(em_state *state)
     SOCKET lsock;
     SOCKET sock = INVALID_SOCKET;
     struct sockaddr_in my_addr;
-    int oth_addr_len;
+    socklen_t oth_addr_len;
     struct sockaddr_in oth_addr;
 #ifdef __WIN32__
     WORD wVersionRequested = MAKEWORD(2,0);