move unused, conditional MAX_PATH define to the Win32 specific code

include/ntfs-3g/dir.h

@@ -29,10 +29,6 @@
 
 #define PATH_SEP '/'
 
-#ifndef MAX_PATH
-#define MAX_PATH 1024
-#endif
-
 /*
  * We do not have these under DJGPP, so define our version that do not conflict
  * with other S_IFs defined under DJGPP.

libntfs-3g/win32_io.c

@@ -52,6 +52,10 @@ typedef struct ntfs_volume ntfs_volume;
 #include "types.h"
 #include "device.h"
 
+#ifndef MAX_PATH
+#define MAX_PATH 1024
+#endif
+
 #ifndef NTFS_BLOCK_SIZE
 #define NTFS_BLOCK_SIZE		512
 #define NTFS_BLOCK_SIZE_BITS	9