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-rw-r--r--lib/argmatch.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/argmatch.c b/lib/argmatch.c
index c86ba71b4..005be881f 100644
--- a/lib/argmatch.c
+++ b/lib/argmatch.c
@@ -39,6 +39,7 @@
#include "error.h"
#include "quotearg.h"
#include "quote.h"
+#include "unlocked-io.h"
/* When reporting an invalid argument, show nonprinting characters
by using the quoting style ARGMATCH_QUOTING_STYLE. Do not use