Rollup merge of rust-lang#36169 - wdv4758h:librustc_plugin_docs, r=nikomatsakis

Jonathan Turner · web-flow · commit 5c9710005871 · 2016-08-31T13:53:36.000-07:00
Change 'rustc::plugin' to 'rustc_plugin' in doc comment

It looks like there is a missing one.
diff --git a/src/librustc_plugin/lib.rs b/src/librustc_plugin/lib.rs
@@ -27,7 +27,7 @@
 //!
 //! extern crate rustc;
 //!
-//! use rustc::plugin::Registry;
+//! use rustc_plugin::Registry;
 //!
 //! #[plugin_registrar]
 //! pub fn plugin_registrar(reg: &mut Registry) {
