fixup! sdk: no need for named future for history sharing

Author: richvdh

crates/matrix-sdk/src/room/mod.rs

@@ -175,6 +175,8 @@ pub mod reply;
 
 /// Contains all the functionality for modifying the privacy settings in a room.
 pub mod privacy_settings;
+
+#[cfg(feature = "e2e-encryption")]
 mod shared_room_history;
 
 /// A struct containing methods that are common for Joined, Invited and Left