From 20b67ee0007e73d8a6e0619197251413b3c233f3 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Wed, 6 Jun 2018 13:59:53 +0300
Subject: [PATCH] Fix build for GCC.

---
 Telegram/SourceFiles/base/optional.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Telegram/SourceFiles/base/optional.h b/Telegram/SourceFiles/base/optional.h
index 4c8f418411..2240a8485f 100644
--- a/Telegram/SourceFiles/base/optional.h
+++ b/Telegram/SourceFiles/base/optional.h
@@ -89,11 +89,11 @@ public:
 
 	template <typename T, typename... Args>
 	T &set(Args &&...args) {
-		_impl.set<T>(std::forward<Args>(args)...);
+		_impl.template set<T>(std::forward<Args>(args)...);
 		return get_unchecked<T>();
 	}
 	void clear() {
-		_impl.set<none_type>();
+		_impl.template set<none_type>();
 	}
 
 	template <typename T>