Sort target OSes alphabetically

Author: Bryant Mairs

src/sys/mod.rs

@@ -1,12 +1,20 @@
-#[cfg(any(target_os = "freebsd", target_os = "dragonfly", target_os = "ios",
-          target_os = "netbsd", target_os = "macos", target_os = "linux"))]
+#[cfg(any(target_os = "dragonfly",
+          target_os = "freebsd",
+          target_os = "ios",
+          target_os = "linux",
+          target_os = "macos",
+          target_os = "netbsd"))]
 pub mod aio;
 
-#[cfg(any(target_os = "linux", target_os = "android"))]
+#[cfg(any(target_os = "android", target_os = "linux"))]
 pub mod epoll;
 
-#[cfg(any(target_os = "macos", target_os = "ios", target_os = "freebsd",
-    target_os = "dragonfly", target_os = "openbsd", target_os = "netbsd"))]
+#[cfg(any(target_os = "dragonfly",
+          target_os = "freebsd",
+          target_os = "ios",
+          target_os = "macos",
+          target_os = "netbsd",
+          target_os = "openbsd"))]
 pub mod event;
 
 #[cfg(target_os = "linux")]
@@ -46,7 +54,7 @@ pub mod uio;
 
 pub mod time;
 
-#[cfg(any(target_os = "linux", target_os = "android"))]
+#[cfg(any(target_os = "android", target_os = "linux"))]
 pub mod ptrace;
 
 pub mod select;