Ports: Update mandoc's patches to use git patches

Ports/mandoc/patches/0009-Fix-mansearch.c.patch

@@ -0,0 +1,28 @@
+From f71b62d6e3cc1d31ee46721dd7709f68aaa9b44a Mon Sep 17 00:00:00 2001
+From: Brian Callahan <bcallah@openbsd.org>
+Date: Sat, 25 Jan 2020 21:20:39 -0500
+Subject: [PATCH 9/9] Fix mansearch.c
+
+---
+ mansearch.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/mansearch.c b/mansearch.c
+index 0c457f9..b036f39 100644
+--- a/mansearch.c
++++ b/mansearch.c
+@@ -26,9 +26,9 @@
+ #endif
+ #include <errno.h>
+ #include <fcntl.h>
+-#include <glob.h>
++#include "glob.h"
+ #include <limits.h>
+-#include <regex.h>
++#include <pcre2posix.h>
+ #include <stdio.h>
+ #include <stdint.h>
+ #include <stddef.h>
+-- 
+2.36.1
+