deps,http: http_parser set max header size to 8KB

Reapplying HTTP_MAX_HEADER_SIZE=8192 to http_parser.gyp.

CVE-2018-12121

PR-URL: nodejs-private/node-private#143
Backport-PR-URL: #30473
Ref: nodejs-private/security#139
Ref: nodejs-private/http-parser-private#2
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Rod Vagg <rod@vagg.org>
Reviewed-By: Anna Henningsen <anna@addaleax.net>

deps/http_parser/http_parser.gyp

@@ -56,7 +56,7 @@
         'defines': [ 'HTTP_PARSER_STRICT=0' ],
         'include_dirs': [ '.' ],
       },
-      'defines': [ 'HTTP_PARSER_STRICT=0' ],
+      'defines': [ 'HTTP_MAX_HEADER_SIZE=8192', 'HTTP_PARSER_STRICT=0' ],
       'sources': [ './http_parser.c', ],
       'conditions': [
         ['OS=="win"', {
@@ -79,7 +79,7 @@
         'defines': [ 'HTTP_PARSER_STRICT=1' ],
         'include_dirs': [ '.' ],
       },
-      'defines': [ 'HTTP_PARSER_STRICT=1' ],
+      'defines': [ 'HTTP_MAX_HEADER_SIZE=8192', 'HTTP_PARSER_STRICT=1' ],
       'sources': [ './http_parser.c', ],
       'conditions': [
         ['OS=="win"', {