www/nginx-devel: Update from 1.13.4 to 1.13.5

[joneum]

Summary

• www/nginx-devel: Update from 1.13.4 to 1.13.5
• Changelog: *) Feature: the $ssl_client_escaped_cert variable.
  
  *) Bugfix: the "ssl_session_ticket_key" directive and the "include" parameter of the "geo" directive did not work on Windows.
  
  *) Bugfix: incorrect response length was returned on 32-bit platforms when requesting more than 4 gigabytes with multiple ranges.
  
  *) Bugfix: the "expires modified" directive and processing of the "If-Range" request header line did not use the response last modification time if proxying without caching was used.

Approved by: osa (maintainer)
Approved by: xxx (mentor)
#Differential Revision: https://reviews.freebsd.org/Dxxxxx

Test Plan

~...www/nginx-devel: portlint -AC [18:29:19]
WARN: Makefile: HTTP_ACCESSKEY appears in PORT_OPTIONS:M, but is not listed in OPTIONS_DEFINE.
WARN: Makefile: HTTP_ACCESSKEY appears in PORT_OPTIONS:M, but is not listed in OPTIONS_DEFINE.
WARN: Makefile: [494]: is USE_HTTP_DAV a user-settable option? Consider using WITH_HTTP_DAV instead.
WARN: Makefile: [908]: is USE_HTTP_REWRITE a user-settable option? Consider using WITH_HTTP_REWRITE instead.
WARN: Makefile: [1125]: is USE_HTTP_SSL a user-settable option? Consider using WITH_HTTP_SSL instead.
WARN: Makefile: [451]: IGNORE messages should begin with a lowercase letter and end without a period.
WARN: Makefile: [298]: possible direct use of command "strip" found. use ${STRIP_CMD} instead.
WARN: Makefile: possible use of absolute pathname "/var".
WARN: Makefile: possible use of absolute pathname "/etc/make.conf".
WARN: Makefile: for new port, make $FreeBSD$ tag in comment section empty, to make SVN happy.
WARN: Makefile: use of DISTFILES with single file discouraged. distribution filename should be set by DISTNAME and EXTRACT_SUFX.
WARN: Makefile: unless this is a master port, MAINTAINER has to be set by "=", not by "?=".
WARN: Makefile: unless this is a master port, COMMENT has to be set by "=", not by "?=".
WARN: Makefile: "IGNORE" has to appear earlier.
WARN: Makefile: DISTFILES/DISTNAME affects WRKSRC. take caution when changing them.
0 fatal errors and 15 warnings found.

poudriere testport:

10.3-amd64
10.3-i386
11.1-amd64
11.1-i386
12.0-CURRENT r323123 amd64
12.0-CURRENT r323123 i386