--- /dev/null
+Description: include a missing header file
+Author: Markus Wanner <markus@bluegap.ch>
+Last-Update: 2017-07-02
+
+--- a/libs/rfc822/rfc2047.c
++++ b/libs/rfc822/rfc2047.c
+@@ -8,6 +8,7 @@
+ #include <ctype.h>
+ #include <string.h>
+ #include <stdlib.h>
++#include <uchar.h>
+ #include <errno.h>
+ #include <courier-unicode.h>
+