1See https://lists.gnu.org/archive/html/bug-mailutils/2010-10/msg00005.html
2
3diff -u mailutils-2.2/libmu_scm/mu_message.c mailutils-2.2.new/libmu_scm/mu_message.c
4--- mailutils-2.2/libmu_scm/mu_message.c 2010-04-18 10:29:07.000000000 -0700
5+++ mailutils-2.2.new/libmu_scm/mu_message.c 2016-07-03 21:18:53.746185547 -0700
6@@ -510,8 +510,8 @@
7 {
8 SCM car = SCM_CAR (lst);
9 if (scm_is_string (car)
10 && mu_c_strncasecmp (scm_i_string_chars (car), name,
11- scm_i_string_length (car)) == 0)
12+ scm_c_string_length (car)) == 0)
13 return 1;
14 }
15 return 0;