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-rw-r--r--libexec/ftpd/ftpd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libexec/ftpd/ftpd.c b/libexec/ftpd/ftpd.c
index 029f12d..6d52c3d 100644
--- a/libexec/ftpd/ftpd.c
+++ b/libexec/ftpd/ftpd.c
@@ -240,7 +240,7 @@ static struct passwd *
sgetpwnam(char *);
static char *sgetsave(char *);
static void reapchild(int);
-static void appendf(char **, char *, ...);
+static void appendf(char **, char *, ...) __printflike(2, 3);
static void logcmd(char *, char *, char *, off_t);
static void logxfer(char *, off_t, time_t);
static char *doublequote(char *);
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