omit unnecessary code

src/http/modules/ngx_http_memcached_module.c

diff --git a/src/http/modules/ngx_http_memcached_module.c b/src/http/modules/ngx_http_memcached_module.c
index ffd872b..3430cbb 100644
--- a/src/http/modules/ngx_http_memcached_module.c
+++ b/src/http/modules/ngx_http_memcached_module.c
@@ -243,9 +243,6 @@
     }
 
     len = sizeof("get ") - 1 + vv->len + sizeof(CRLF) - 1;
-    if (vv->len) {
-        len += 1 + vv->len;
-    }
 
     b = ngx_create_temp_buf(r->pool, len);
     if (b == NULL) {