Set http_major when a request omits the HTTP version

I.E. "GET /" in telnet

http_parser.c

@@ -738,12 +738,14 @@ size_t http_parser_execute (http_parser *parser,
           case CR:
             CALLBACK(url);
             CALLBACK(path);
+            parser->http_major = 0;
             parser->http_minor = 9;
             state = s_req_line_almost_done;
             break;
           case LF:
             CALLBACK(url);
             CALLBACK(path);
+            parser->http_major = 0;
             parser->http_minor = 9;
             state = s_header_field_start;
             break;
@@ -778,11 +780,13 @@ size_t http_parser_execute (http_parser *parser,
             break;
           case CR:
             CALLBACK(url);
+            parser->http_major = 0;
             parser->http_minor = 9;
             state = s_req_line_almost_done;
             break;
           case LF:
             CALLBACK(url);
+            parser->http_major = 0;
             parser->http_minor = 9;
             state = s_header_field_start;
             break;
@@ -811,12 +815,14 @@ size_t http_parser_execute (http_parser *parser,
           case CR:
             CALLBACK(url);
             CALLBACK(query_string);
+            parser->http_major = 0;
             parser->http_minor = 9;
             state = s_req_line_almost_done;
             break;
           case LF:
             CALLBACK(url);
             CALLBACK(query_string);
+            parser->http_major = 0;
             parser->http_minor = 9;
             state = s_header_field_start;
             break;
@@ -845,11 +851,13 @@ size_t http_parser_execute (http_parser *parser,
             break;
           case CR:
             CALLBACK(url);
+            parser->http_major = 0;
             parser->http_minor = 9;
             state = s_req_line_almost_done;
             break;
           case LF:
             CALLBACK(url);
+            parser->http_major = 0;
             parser->http_minor = 9;
             state = s_header_field_start;
             break;
@@ -878,12 +886,14 @@ size_t http_parser_execute (http_parser *parser,
           case CR:
             CALLBACK(url);
             CALLBACK(fragment);
+            parser->http_major = 0;
             parser->http_minor = 9;
             state = s_req_line_almost_done;
             break;
           case LF:
             CALLBACK(url);
             CALLBACK(fragment);
+            parser->http_major = 0;
             parser->http_minor = 9;
             state = s_header_field_start;
             break;

test.c

@@ -538,6 +538,25 @@ const struct message requests[] =
   ,.body= ""
   }
 
+#define NO_HTTP_VERSION 19
+, {.name= "request with no http version"
+  ,.type= HTTP_REQUEST
+  ,.raw= "GET /\r\n"
+         "\r\n"
+  ,.should_keep_alive= FALSE
+  ,.message_complete_on_eof= FALSE
+  ,.http_major= 0
+  ,.http_minor= 9
+  ,.method= HTTP_GET
+  ,.query_string= ""
+  ,.fragment= ""
+  ,.request_path= "/"
+  ,.request_url= "/"
+  ,.num_headers= 0
+  ,.headers= {}
+  ,.body= ""
+  }
+
 , {.name= NULL } /* sentinel */
 };