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Diffstat (limited to 'win32/dir.h')
-rw-r--r--win32/dir.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/win32/dir.h b/win32/dir.h
index 1f1f66649a..e12c6e159c 100644
--- a/win32/dir.h
+++ b/win32/dir.h
@@ -1,3 +1,6 @@
+#ifndef RUBY_WIN32_DIR_H
+#define RUBY_WIN32_DIR_H
+
#ifdef __BORLANDC__
# ifndef WIN32_DIR_H_
# define WIN32_DIR_H_
@@ -37,3 +40,5 @@ void rb_w32_closedir(DIR *);
#define seekdir rb_w32_seekdir
#define rewinddir rb_w32_rewinddir
#define closedir rb_w32_closedir
+
+#endif /* RUBY_WIN32_DIR_H */