Fix FreeBSD 13 build

diff --git a/src/src/transports/appendfile.c b/src/src/transports/appendfile.c
index 93c89a4507a0ff945eec50b1f83a334d0e89468a..cc1d6333cc0a00fd8d2b43050a332166179fd7e4 100644 (file)
--- a/src/src/transports/appendfile.c
+++ b/src/src/transports/appendfile.c
@@ -1779,8 +1779,8 @@ if (!isdirectory)
       if (statbuf.st_nlink != 1)
         {
         addr->basic_errno = ERRNO_NOTREGULAR;
-        addr->message = string_sprintf("mailbox %s%s has too many links (%d)",
-          filename, islink ? " (symlink)" : "", statbuf.st_nlink);
+        addr->message = string_sprintf("mailbox %s%s has too many links (%lu)",
+          filename, islink ? " (symlink)" : "", (ulong)statbuf.st_nlink);
         goto RETURN;
 
         }