fix: build warning

This was introduced by the buffer.c refactor.

diff --git a/remailer.c b/remailer.c
index 1863d9bb8e7a220b8a7f01b5ae2f1e5b697417e5..12721533d72dec5b8c211f0690b372afbd9b4ee5 100644 (file)
--- a/remailer.c
+++ b/remailer.c
@@ -32,6 +32,7 @@
 #include "mutt_menu.h"
 #include "mutt_regex.h"
 #include "mapping.h"
+#include "filter.h"
 
 #include "remailer.h"