Some cosmetic changes for rustfmt

src/lib.rs

@@ -114,7 +114,7 @@
 //!
 //! The "noise" feature adds support for white and pink noise sources. This feature requires the
 //! "rand" crate.
-//! 
+//!
 //! ## How it works under the hood
 //!
 //! Rodio spawns a background thread that is dedicated to reading from the sources and sending
@@ -125,7 +125,6 @@
 //! hardware. Therefore there is no restriction on the number of sounds that play simultaneously or
 //! the number of sinks that can be created (except for the fact that creating too many will slow
 //! down your program).
-//!
 
 
 #![cfg_attr(test, deny(missing_docs))]