[librsvg] pattern.rs: Organize the used modules a bit

[Federico Mena Quintero <federico src gnome org>]

commit d9315d14847f7d3d5e2c8634a4f2b765a3c84dbe
Author: Federico Mena Quintero <federico gnome org>
Date:   Tue Mar 21 16:56:20 2017 -0600

    pattern.rs: Organize the used modules a bit

 rust/src/pattern.rs |   13 +++++++++----
 1 files changed, 9 insertions(+), 4 deletions(-)
---
diff --git a/rust/src/pattern.rs b/rust/src/pattern.rs
index 3a82687..1780aeb 100644
--- a/rust/src/pattern.rs
+++ b/rust/src/pattern.rs
@@ -3,17 +3,22 @@ extern crate cairo;
 extern crate cairo_sys;
 extern crate glib;
 
+use std::cell::RefCell;
+use std::str::FromStr;
 use self::glib::translate::*;
 
 use aspect_ratio::*;
-use length::*;
-
+use bbox::*;
 use drawing_ctx;
 use drawing_ctx::RsvgDrawingCtx;
+use error::*;
+use handle::RsvgHandle;
+use length::*;
 use node::*;
 use paint_server::*;
-
-use bbox::*;
+use parsers::ParseError;
+use property_bag;
+use property_bag::*;
 use util::*;
 use viewbox::*;