add include complying to gcc 4.4

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@1217 b45a01b8-16f6-495d-af2f-9b41ad6348cc

libretroshare/src/pqi/p3dhtmgr.cc

@@ -25,6 +25,7 @@
 
 #include <sstream>
 #include <iomanip>
+#include <stdio.h>
 #include <openssl/sha.h>
 
 #include "pqi/p3dhtmgr.h"

libretroshare/src/pqi/pqibin.h

@@ -30,6 +30,7 @@
 
 #include "pqi/pqi_base.h"
 #include "pqi/pqihash.h"
+#include <stdio.h>
 
 class BinFileInterface: public BinInterface
 {

libretroshare/src/pqi/pqipersongrp.cc

@@ -28,6 +28,7 @@
 #include "util/rsdebug.h"
 
 #include <sstream>
+#include <stdio.h>
 
 const int pqipersongrpzone = 354;