gentoo-overlay/net-mail/mailutils/files/mailutils-3.5-add-include.patch

--- a/frm/frm.h	2018-02-10 09:06:00.000000000 +0300
+++ b/frm/frm.h	2019-02-07 09:40:57.541489264 +0300
@@ -24,6 +24,7 @@
 #include <string.h>
 #include <unistd.h>
 #include <fcntl.h>
+#include <limits.h>
 #include <sys/types.h>
 #ifdef HAVE_TERMIOS_H
 # include <termios.h>