glib: Fix compiletest expected error output for Rust 1.69

Author: sdroege

glib/tests/subclass_compiletest/02-no-auto-send-sync.stderr

@@ -7,6 +7,7 @@ error[E0277]: `RefCell<std::string::String>` cannot be shared between threads sa
    |     required by a bound introduced by this call
    |
    = help: within `imp::TestObject`, the trait `Sync` is not implemented for `RefCell<std::string::String>`
+   = note: if you want to do aliasing and mutation between multiple threads, use `std::sync::RwLock` instead
 note: required because it appears within the type `TestObject`
   --> tests/subclass_compiletest/02-no-auto-send-sync.rs:6:16
    |

glib/tests/subclass_compiletest/05-no-auto-send-sync-with-non-send-sync-parent.stderr

@@ -7,6 +7,7 @@ error[E0277]: `RefCell<std::string::String>` cannot be shared between threads sa
    |     required by a bound introduced by this call
    |
    = help: within `imp_parent::TestParent`, the trait `Sync` is not implemented for `RefCell<std::string::String>`
+   = note: if you want to do aliasing and mutation between multiple threads, use `std::sync::RwLock` instead
 note: required because it appears within the type `TestParent`
   --> tests/subclass_compiletest/05-no-auto-send-sync-with-non-send-sync-parent.rs:6:16
    |