Fix compilation with gcc-4.4

Index: hydrogen/src/lib/Object.cpp
===================================================================
--- hydrogen.orig/src/lib/Object.cpp	2010-02-12 17:12:07.000000000 +0100
+++ hydrogen/src/lib/Object.cpp	2010-02-12 17:32:25.000000000 +0100
@@ -26,6 +26,7 @@
 #include "config.h"
 
 #include <pthread.h>
+#include <cstdio>
 
 #ifdef WIN32
 	#include <windows.h>
Index: hydrogen/src/lib/drivers/JackDriver.cpp
===================================================================
--- hydrogen.orig/src/lib/drivers/JackDriver.cpp	2010-02-12 17:12:07.000000000 +0100
+++ hydrogen/src/lib/drivers/JackDriver.cpp	2010-02-12 17:32:25.000000000 +0100
@@ -29,6 +29,7 @@
 #include <unistd.h>
 #include "lib/Hydrogen.h"
 #include "lib/Preferences.h"
+#include <cstdio>
 
 unsigned long jack_server_sampleRate = 0;
 jack_nframes_t jack_server_bufferSize = 0;