Use __WINE__ instead of _WINE_, _WIN32.

programs/winefile/Makefile.in

diff --git a/programs/winefile/Makefile.in b/programs/winefile/Makefile.in
index edcd029..797d144 100644
--- a/programs/winefile/Makefile.in
+++ b/programs/winefile/Makefile.in
@@ -14,6 +14,7 @@
 	winefile.c
 
 RC_SRCS = rsrc.rc
+EXTRARCFLAGS = -D__WINE__
 
 @MAKE_PROG_RULES@
 

programs/winefile/resource.rc

diff --git a/programs/winefile/resource.rc b/programs/winefile/resource.rc
index 8f6cedc..cc50628 100644
--- a/programs/winefile/resource.rc
+++ b/programs/winefile/resource.rc
@@ -29,7 +29,7 @@
 }
 
 IDI_WINEFILE ICON DISCARDABLE
-#ifdef _WIN32
+#ifndef __WINE__
  "winefile.ico"
 #else
 {
@@ -85,7 +85,7 @@
 #endif
 
 IDB_TOOLBAR BITMAP DISCARDABLE
-#ifdef _WIN32
+#ifndef __WINE__
  "toolbar.bmp"
 #else
 {
@@ -153,7 +153,7 @@
 #endif
 
 IDB_DRIVEBAR BITMAP DISCARDABLE
-#ifdef _WIN32
+#ifndef __WINE__
  "drivebar.bmp"
 #else
 {
@@ -208,7 +208,7 @@
 #endif
 
 IDB_IMAGES BITMAP DISCARDABLE
-#ifdef _WIN32
+#ifndef __WINE__
  "images.bmp"
 #else
 {

programs/winefile/winefile.c

diff --git a/programs/winefile/winefile.c b/programs/winefile/winefile.c
index d9f5ba3..3a604f3 100644
--- a/programs/winefile/winefile.c
+++ b/programs/winefile/winefile.c
@@ -18,7 +18,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#ifndef _WIN32
+#ifdef __WINE__
 #include "config.h"
 #include "wine/port.h"
 #endif
@@ -30,10 +30,12 @@
 #include "resource.h"
 
 /* for read_directory_unix() */
-#if !defined(_NO_EXTENSIONS) && !defined(_WIN32)
+#if !defined(_NO_EXTENSIONS) && defined(__WINE__)
 #include <dirent.h>
 #include <sys/stat.h>
-#include <unistd.h>
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
 #include <time.h>
 #endif
 
@@ -1822,7 +1824,7 @@
 				/*TODO: There are even more menu items! */
 
 #ifndef _NO_EXTENSIONS
-#ifdef _WINE_
+#ifdef __WINE__
 				case ID_LICENSE:
 					WineLicense(Globals.hMainWnd);
 					break;
@@ -3643,7 +3645,7 @@
 
 	ShowWindow(Globals.hMainWnd, cmdshow);
 
-#if defined(_SHELL_FOLDERS) && !defined(_WINE_)
+#if defined(_SHELL_FOLDERS) && !defined(__WINE__)
 	 /* Shell Namespace as default: */
 	child = alloc_child_window(path, get_path_pidl(path,Globals.hMainWnd), Globals.hMainWnd);
 #else