Fixes issues like below

| qaudiooutput_pulse.cpp: In member function 'bool QPulseAudioOutput::open()':
| qaudiooutput_pulse.cpp:255:75: error: '::getpid' has not been declared
| make[3]: *** [../../../build/Debug/qtmedia_pulse/qaudiooutput_pulse.o] Error 1

Signed-off-by: Khem Raj <raj.khem@gmail.com>

Upstream-Status: Pending

Index: qt-mobility-opensource-src-1.2.0/plugins/multimedia/pulseaudio/qaudiooutput_pulse.cpp
===================================================================
--- qt-mobility-opensource-src-1.2.0.orig/plugins/multimedia/pulseaudio/qaudiooutput_pulse.cpp	2012-03-31 07:26:24.457018348 -0700
+++ qt-mobility-opensource-src-1.2.0/plugins/multimedia/pulseaudio/qaudiooutput_pulse.cpp	2012-03-31 07:27:53.309022654 -0700
@@ -46,7 +46,7 @@
 #include "qaudiodeviceinfo_pulse.h"
 #include "qpulseaudioengine.h"
 #include "qpulsehelpers.h"
-
+#include <unistd.h>
 QT_BEGIN_NAMESPACE
 
 const int PeriodTimeMs = 20;
Index: qt-mobility-opensource-src-1.2.0/plugins/multimedia/pulseaudio/qaudioinput_pulse.cpp
===================================================================
--- qt-mobility-opensource-src-1.2.0.orig/plugins/multimedia/pulseaudio/qaudioinput_pulse.cpp	2012-03-31 07:29:19.997026831 -0700
+++ qt-mobility-opensource-src-1.2.0/plugins/multimedia/pulseaudio/qaudioinput_pulse.cpp	2012-03-31 07:29:39.541027625 -0700
@@ -46,6 +46,7 @@
 #include "qaudiodeviceinfo_pulse.h"
 #include "qpulseaudioengine.h"
 #include "qpulsehelpers.h"
+#include <unistd.h>
 
 QT_BEGIN_NAMESPACE
 
Index: qt-mobility-opensource-src-1.2.0/plugins/multimedia/pulseaudio/qpulseaudioengine.cpp
===================================================================
--- qt-mobility-opensource-src-1.2.0.orig/plugins/multimedia/pulseaudio/qpulseaudioengine.cpp	2012-03-31 07:33:24.805038719 -0700
+++ qt-mobility-opensource-src-1.2.0/plugins/multimedia/pulseaudio/qpulseaudioengine.cpp	2012-03-31 07:33:46.889039783 -0700
@@ -46,6 +46,7 @@
 #include "qaudiodeviceinfo_pulse.h"
 #include "qaudiooutput_pulse.h"
 #include "qpulsehelpers.h"
+#include <unistd.h>
 
 QT_BEGIN_NAMESPACE