Set the charset of all text MIME-typed requests to utf-8 (hacky)

charset.patch

Index: server_http.c
===================================================================
RCS file: /cvs/src/usr.sbin/httpd/server_http.c,v
retrieving revision 1.117
diff -u -p -r1.117 server_http.c
--- server_http.c       15 May 2017 10:40:47 -0000      1.117
+++ server_http.c       18 Jul 2017 02:51:19 -0000
@@ -1388,7 +1388,8 @@ server_response_http(struct client *clt,

        /* Set media type */
        if ((ct = kv_add(&resp->http_headers, "Content-Type", NULL)) == NULL ||
-           kv_set(ct, "%s/%s", media->media_type, media->media_subtype) == -1)
+           kv_set(ct, "%s/%s%s", media->media_type, media->media_subtype,
+           strcmp(media->media_type, "text") ? "" : "; charset=utf-8") == -1)
                return (-1);

        /* Set content length, if specified */