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-rw-r--r--support/bashversion.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/support/bashversion.c b/support/bashversion.c
index b95fe104..abf1aa8d 100644
--- a/support/bashversion.c
+++ b/support/bashversion.c
@@ -23,6 +23,11 @@
#include "stdc.h"
#include <stdio.h>
+
+#if defined (HAVE_UNISTD_H)
+# include <unistd.h>
+#endif
+
#include "bashansi.h"
#include "version.h"