Use lowercase `windows.h` in examples
#include <Zydis/Zydis.h>
#if defined(ZYAN_WINDOWS)
-# include <Windows.h>
+# include <windows.h>
#elif defined(ZYAN_APPLE)
# include <mach/mach_time.h>
#elif defined(ZYAN_LINUX) || defined(ZYAN_SOLARIS)
