buffered-reader: Require Cookies to be Send and Sync.

- This way the entire `BufferedReader<C>` will be `Send` and `Sync`.

- Modify all other crates accordingly.

- See #615.

1 files changed, 1 insertions, 1 deletions

diff --git a/autocrypt/src/lib.rs b/autocrypt/src/lib.rs
index 3b52cb69..7a51b5f3 100644
--- a/autocrypt/src/lib.rs
+++ b/autocrypt/src/lib.rs
@@ -538,7 +538,7 @@ impl AutocryptSetupMessage {
     /// Parses the autocrypt setup message in `r`.
     ///
     /// `passcode` is the passcode used to protect the message.
-    pub fn from_reader<'a, R: io::Read + 'a>(r: R)
+    pub fn from_reader<'a, R: io::Read + Send + Sync + 'a>(r: R)
         -> Result<AutocryptSetupMessageParser<'a>> {
         // The outer message uses ASCII-armor.  It includes a password
         // hint.  Hence, we need to parse it aggressively.