icu: Make links in docstrings actual links

Thanks `cargo doc` for the helpful warnings!

icu/src/bindings.rs

@@ -1,6 +1,6 @@
 //! Crate wrapping what we need from ICU’s C API for JIDs.
 //!
-//! See http://site.icu-project.org/
+//! See <http://site.icu-project.org/>
 
 use std::os::raw::c_char;
 

icu/src/error.rs

@@ -1,6 +1,6 @@
 //! Crate wrapping what we need from ICU’s C API for JIDs.
 //!
-//! See http://site.icu-project.org/
+//! See <http://site.icu-project.org/>
 
 use crate::bindings::{icu_error_code_to_name, UErrorCode};
 use std::ffi::CStr;

icu/src/idna2008.rs

@@ -1,6 +1,6 @@
 //! Crate wrapping what we need from ICU’s C API for JIDs.
 //!
-//! See http://site.icu-project.org/
+//! See <http://site.icu-project.org/>
 
 use crate::bindings::{
     icu_idna_name_to_ascii, icu_idna_name_to_unicode, icu_idna_open, UErrorCode, UIDNAInfo,

icu/src/lib.rs

@@ -1,6 +1,6 @@
 //! Crate wrapping what we need from ICU’s C API for JIDs.
 //!
-//! See http://site.icu-project.org/
+//! See <http://site.icu-project.org/>
 
 #![deny(missing_docs)]
 

icu/src/spoof.rs

@@ -1,6 +1,6 @@
 //! Crate wrapping what we need from ICU’s C API for JIDs.
 //!
-//! See http://site.icu-project.org/
+//! See <http://site.icu-project.org/>
 
 use crate::bindings::{
     icu_spoof_get_skeleton, icu_spoof_open, icu_spoof_set_checks, UErrorCode, USpoofChecker,

icu/src/stringprep.rs

@@ -1,6 +1,6 @@
 //! Crate wrapping what we need from ICU’s C API for JIDs.
 //!
-//! See http://site.icu-project.org/
+//! See <http://site.icu-project.org/>
 
 use crate::bindings::{
     icu_stringprep_open, icu_stringprep_prepare, UChar, UErrorCode, UStringPrepProfile,