style: fixed coding style.

Author: zhuizhuhaomeng

src/ngx_http_lua_output.c

@@ -723,7 +723,7 @@ ngx_http_lua_ngx_send_headers(lua_State *L)
                                | NGX_HTTP_LUA_CONTEXT_CONTENT);
 
     ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
-                    "lua send headers");
+                   "lua send headers");
 
     rc = ngx_http_lua_send_header_if_needed(r, ctx);
     if (rc == NGX_ERROR || rc > NGX_OK) {

src/ngx_http_lua_util.c

@@ -539,6 +539,7 @@ ngx_http_lua_send_header_if_needed(ngx_http_request_t *r,
             if (ngx_http_lua_set_content_type(r) != NGX_OK) {
                 return NGX_ERROR;
             }
+
             ngx_http_clear_content_length(r);
             ngx_http_clear_accept_ranges(r);
         }