Consistently use _WIN32 instead of __WIN32__

[wimlib] / include / wimlib / file_io.h

diff --git a/include/wimlib/file_io.h b/include/wimlib/file_io.h
index 61ae78b9e270aee622376346a68e0eff7ad18af0..7cfe2cd87b56c9c5494201c7f8852841ffa9a43c 100644 (file)
--- a/include/wimlib/file_io.h
+++ b/include/wimlib/file_io.h
@@ -26,7 +26,7 @@ full_write(struct filedes *fd, const void *buf, size_t n);
 extern int
 full_pwrite(struct filedes *fd, const void *buf, size_t count, off_t offset);
 
-#ifndef __WIN32__
+#ifndef _WIN32
 #  define O_BINARY 0
 #endif