Rename ra_db -> base_db

crates/rust-analyzer/src/lsp_utils.rs

@@ -1,8 +1,8 @@
 //! Utilities for LSP-related boilerplate code.
 use std::{error::Error, ops::Range};
 
+use base_db::Canceled;
 use lsp_server::Notification;
-use ra_db::Canceled;
 use ra_ide::LineIndex;
 
 use crate::{from_proto, global_state::GlobalState};