update r2439: make clear name
diff --git a/src/mail/ngx_mail_proxy_module.c b/src/mail/ngx_mail_proxy_module.c
index 610d009..a11101e 100644
--- a/src/mail/ngx_mail_proxy_module.c
+++ b/src/mail/ngx_mail_proxy_module.c
@@ -104,7 +104,7 @@
 };
 
 
-static u_char  smtp_ok[] = "235 2.0.0 OK" CRLF;
+static u_char  smtp_auth_ok[] = "235 2.0.0 OK" CRLF;
 
 
 void
@@ -614,8 +614,8 @@
             b->pos = b->start;
 
         } else {
-            ngx_memcpy(b->start, smtp_ok, sizeof(smtp_ok) - 1);
-            b->last = b->start + sizeof(smtp_ok) - 1;
+            ngx_memcpy(b->start, smtp_auth_ok, sizeof(smtp_auth_ok) - 1);
+            b->last = b->start + sizeof(smtp_auth_ok) - 1;
         }
 
         s->connection->read->handler = ngx_mail_proxy_handler;