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-rw-r--r--libguile/backtrace.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/libguile/backtrace.c b/libguile/backtrace.c
index 3ab3a29f4..1687ab88e 100644
--- a/libguile/backtrace.c
+++ b/libguile/backtrace.c
@@ -54,6 +54,9 @@
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
+#ifdef HAVE_IO_H
+#include <io.h>
+#endif
#include "libguile/stacks.h"
#include "libguile/srcprop.h"