[Rust] Impl Send and Sync for RemoteFile

Author: emesare

rust/src/collaboration/file.rs

@@ -584,6 +584,7 @@ impl PartialEq for RemoteFile {
         self.id() == other.id()
     }
 }
+
 impl Eq for RemoteFile {}
 
 impl ToOwned for RemoteFile {
@@ -594,6 +595,9 @@ impl ToOwned for RemoteFile {
     }
 }
 
+unsafe impl Send for RemoteFile {}
+unsafe impl Sync for RemoteFile {}
+
 unsafe impl RefCountable for RemoteFile {
     unsafe fn inc_ref(handle: &Self) -> Ref<Self> {
         Ref::new(Self {