block-padding: fix html_root_url (#736)

Author: newpavlov

block-padding/src/lib.rs

@@ -7,7 +7,7 @@
 #![doc(
     html_logo_url = "https://raw.githubusercontent.com/RustCrypto/media/6ee8e381/logo.svg",
     html_favicon_url = "https://raw.githubusercontent.com/RustCrypto/media/6ee8e381/logo.svg",
-    html_root_url = "https://docs.rs/block-padding/0.3.0"
+    html_root_url = "https://docs.rs/block-padding/0.3.1"
 )]
 #![cfg_attr(docsrs, feature(doc_cfg))]
 #![warn(missing_docs, rust_2018_idioms)]