From ba65f0d2c2c15be5f1ed88df98a08adc4a38d348 Mon Sep 17 00:00:00 2001
From: "andrew (from workstation)" <andrew@arch>
Date: Wed, 20 May 2020 18:40:51 +0200
Subject: [PATCH] fix build

---
 td/telegram/files/FileId.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/td/telegram/files/FileId.h b/td/telegram/files/FileId.h
index c5b3337b..18175c61 100644
--- a/td/telegram/files/FileId.h
+++ b/td/telegram/files/FileId.h
@@ -40,8 +40,8 @@ class FileId {
     return id;
   }
 
-  int32 get() {
-    time_ = std::time(nullptr);
+  int32 get() const {
+    const_cast<FileId*>(this)->time_ = std::time(nullptr);
     return id;
   }