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-rw-r--r--libguile/variable.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libguile/variable.c b/libguile/variable.c
index a1f19c2b3..25da2fd7d 100644
--- a/libguile/variable.c
+++ b/libguile/variable.c
@@ -47,6 +47,7 @@
#include <stdio.h>
#include "_scm.h"
#include "eq.h"
+#include "ports.h"
#include "smob.h"
#include "validate.h"