servo: Merge #16761 - Use hash2 instead of deprecated hash (from Ksbugbee:master); r=jdm

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Source-Repo: https://github.com/servo/servo
Source-Revision: 4e3544f05c161039b97fe4c20daca4a0baf372fe

--HG--
extra : subtree_source : https%3A//hg.mozilla.org/projects/converted-servo-linear
extra : subtree_revision : c7f59de471905adb648376cc3eb2e1183bc97d80

servo/components/net/subresource_integrity.rs

@@ -4,7 +4,7 @@
 
 use base64;
 use net_traits::response::{Response, ResponseBody, ResponseType};
-use openssl::hash::{MessageDigest, hash};
+use openssl::hash::{MessageDigest, hash2};
 use std::iter::Filter;
 use std::str::Split;
 use std::sync::MutexGuard;
@@ -119,7 +119,7 @@ fn apply_algorithm_to_response(body: MutexGuard<ResponseBody>,
                                message_digest: MessageDigest)
                                -> String {
     if let ResponseBody::Done(ref vec) = *body {
-        let response_digest = hash(message_digest, vec).unwrap();
+        let response_digest = hash2(message_digest, vec).unwrap(); //Now hash2
         base64::encode(&response_digest)
     } else {
         unreachable!("Tried to calculate digest of incomplete response body")