From e2013f1aa07b62dfe9349791ab6fbafed3edf3da Mon Sep 17 00:00:00 2001
From: Ghislain MARY <ghislain.mary@belledonne-communications.com>
Date: Fri, 17 Nov 2017 09:54:24 +0100
Subject: [PATCH] Fix build with some GCC versions.

---
 src/chat/chat-room/chat-room-id.h | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/src/chat/chat-room/chat-room-id.h b/src/chat/chat-room/chat-room-id.h
index f0340d871..c78a2b51f 100644
--- a/src/chat/chat-room/chat-room-id.h
+++ b/src/chat/chat-room/chat-room-id.h
@@ -51,12 +51,14 @@ private:
 LINPHONE_END_NAMESPACE
 
 // Add map key support.
-template<>
-struct std::hash<LinphonePrivate::ChatRoomId> {
-	std::size_t operator() (const LinphonePrivate::ChatRoomId &chatRoomId) const {
-		return hash<string>()(chatRoomId.getPeerAddress().asString()) ^
-			(hash<string>()(chatRoomId.getLocalAddress().asString()) << 1);
-	}
-};
+namespace std {
+	template<>
+	struct hash<LinphonePrivate::ChatRoomId> {
+		std::size_t operator() (const LinphonePrivate::ChatRoomId &chatRoomId) const {
+			return hash<string>()(chatRoomId.getPeerAddress().asString()) ^
+				(hash<string>()(chatRoomId.getLocalAddress().asString()) << 1);
+		}
+	};
+}
 
 #endif // ifndef _CHAT_ROOM_ID_H_