fixed http protocol error: abandon space

Author: xiaokai-wang

src/ngx_stream_upsync_module.c

@@ -2471,13 +2471,13 @@ ngx_stream_upsync_send_handler(ngx_event_t *event)
     if (upsync_type_conf->upsync_type == NGX_STREAM_UPSYNC_ETCD) {
         if (upsync_server->index != 0) {
             ngx_sprintf(request, "GET %V?wait=true&recursive=true&waitIndex=%d" 
-                        " HTTP/1.0\r\nHost: %V\r\n Accept: */*\r\n\r\n", 
+                        " HTTP/1.0\r\nHost: %V\r\nAccept: */*\r\n\r\n", 
                         &upscf->upsync_send, upsync_server->index,
                         &upscf->conf_server.name);
 
         } else {
             ngx_sprintf(request, "GET %V?" 
-                        " HTTP/1.0\r\nHost: %V\r\n Accept: */*\r\n\r\n", 
+                        " HTTP/1.0\r\nHost: %V\r\nAccept: */*\r\n\r\n", 
                         &upscf->upsync_send, &upscf->conf_server.name);
 
         }