moved unecessary lookup

http_parser.c

@@ -1186,8 +1186,6 @@ size_t http_parser_execute (http_parser *parser,
         state = s_header_value;
         index = 0;
 
-        c = LOWER(ch);
-
         if (ch == CR) {
           CALLBACK(header_value);
           header_state = h_general;
@@ -1201,6 +1199,8 @@ size_t http_parser_execute (http_parser *parser,
           break;
         }
 
+        c = LOWER(ch);
+
         switch (header_state) {
           case h_upgrade:
             parser->flags |= F_UPGRADE;
@@ -1242,7 +1242,6 @@ size_t http_parser_execute (http_parser *parser,
 
       case s_header_value:
       {
-        c = LOWER(ch);
 
         if (ch == CR) {
           CALLBACK(header_value);
@@ -1255,6 +1254,8 @@ size_t http_parser_execute (http_parser *parser,
           goto header_almost_done;
         }
 
+        c = LOWER(ch);
+
         switch (header_state) {
           case h_general:
             break;