Merge #528: fix formatting on master

c0ae3e7 fix formatting on master (Andrew Poelstra)

Pull request description:

  Looks like I need to check formatting now before merging things :) master CI is broken because of cargo fmt.

ACKs for top commit:
  tcharding:
    ACK  c0ae3e7

Tree-SHA512: 9dc22eb5edfb565309cfd14cb9634abba196e46591da8c21d241bd686df8436a8af371c6520ea6ae688fcf81a835919a1bc9a3730f206ba6ef758087efa282e1

Author: apoelstra

src/key.rs

@@ -71,8 +71,7 @@ impl PartialEq for SecretKey {
     /// This implementation is designed to be constant time to help prevent side channel attacks.
     #[inline]
     fn eq(&self, other: &Self) -> bool {
-        let accum = self.0.iter().zip(&other.0)
-            .fold(0, |accum, (a, b)| accum | a ^ b);
+        let accum = self.0.iter().zip(&other.0).fold(0, |accum, (a, b)| accum | a ^ b);
         unsafe { core::ptr::read_volatile(&accum) == 0 }
     }
 }