Corrected case for include file names on windows

Change-Id: I8318a57b0795876b6a71b85a6c4f6966d308df2e
Signed-off-by: Rainer Poisel <rainer.poisel@gmail.com>

src/Thread.h

@@ -20,7 +20,7 @@
 #define THREAD_H
 
 #if defined(WIN32) || defined(WIN64)
-	#include <Windows.h>
+	#include <windows.h>
 	#define thread_type HANDLE
 	#define thread_id_type DWORD
 	#define thread_return_type DWORD

src/samples/MQTTAsync_publish.c

@@ -21,6 +21,8 @@
 
 #if !defined(WIN32)
 #include <unistd.h>
+#else
+#include <windows.h>
 #endif
 
 #define ADDRESS     "tcp://m2m.eclipse.org:1883"

src/samples/MQTTAsync_subscribe.c

@@ -21,6 +21,8 @@
 
 #if !defined(WIN32)
 #include <unistd.h>
+#else
+#include <windows.h>
 #endif
 
 #define ADDRESS     "tcp://localhost:1883"

src/samples/stdinpub.c

@@ -44,7 +44,7 @@
 
 
 #if defined(WIN32)
-#include <Windows.h>
+#include <windows.h>
 #define sleep Sleep
 #else
 #include <sys/time.h>

src/samples/stdoutsub.c

@@ -44,7 +44,7 @@
 
 
 #if defined(WIN32)
-#include <Windows.h>
+#include <windows.h>
 #define sleep Sleep
 #else
 #include <sys/time.h>

src/samples/stdoutsuba.c

@@ -45,7 +45,7 @@
 
 
 #if defined(WIN32)
-#include <Windows.h>
+#include <windows.h>
 #define sleep Sleep
 #else
 #include <sys/time.h>