[librsvg/librsvg-2.42: 16/17] Normalize the rustfmt of a few files I missed

[Federico Mena Quintero <federico src gnome org>]

commit 1b95365b0a2e94df49653908924aa9b94c18cd35
Author: Federico Mena Quintero <federico gnome org>
Date:   Fri Mar 2 09:48:17 2018 -0600

    Normalize the rustfmt of a few files I missed

 rsvg_internals/src/coord_units.rs |  4 ++--
 rsvg_internals/src/marker.rs      |  6 ++---
 rsvg_internals/src/viewport.rs    | 46 +++++++++++++++++++++------------------
 3 files changed, 30 insertions(+), 26 deletions(-)
---
diff --git a/rsvg_internals/src/coord_units.rs b/rsvg_internals/src/coord_units.rs
index b2ddc7cd..0877ee58 100644
--- a/rsvg_internals/src/coord_units.rs
+++ b/rsvg_internals/src/coord_units.rs
@@ -38,7 +38,7 @@ impl Parse for CoordUnits {
 /// specified `$default` value.
 #[macro_export]
 macro_rules! coord_units {
-    ($name:ident, $default:expr) => {
+    ($name: ident, $default: expr) => {
         #[derive(Debug, Copy, Clone, PartialEq, Eq)]
         struct $name(CoordUnits);
 
@@ -62,7 +62,7 @@ macro_rules! coord_units {
                 Ok($name($crate::coord_units::CoordUnits::parse(s, ())?))
             }
         }
-    }
+    };
 }
 
 #[cfg(test)]
diff --git a/rsvg_internals/src/marker.rs b/rsvg_internals/src/marker.rs
index e287ee0c..fd17966f 100644
--- a/rsvg_internals/src/marker.rs
+++ b/rsvg_internals/src/marker.rs
@@ -1047,7 +1047,7 @@ mod directionality_tests {
 
     // Multiple closed subpaths; each must have a line segment back to their
     // initial points, with no degenerate segments between subpaths.
-    // 
+    //
 
     fn setup_multiple_closed_subpaths() -> RsvgPathBuilder {
         let mut builder = RsvgPathBuilder::new();
@@ -1083,7 +1083,7 @@ mod directionality_tests {
 
     // A lineto follows the first closed subpath, with no moveto to start the second subpath.
     // The lineto must start at the first point of the first subpath.
-    // 
+    //
 
     fn setup_no_moveto_after_closepath() -> RsvgPathBuilder {
         let mut builder = RsvgPathBuilder::new();
@@ -1143,7 +1143,7 @@ mod directionality_tests {
     //
     // test_path_builder_to_segments (&setup_sequence_of_moveto (), expected_segments);
     // }
-    // 
+    //
 
     #[test]
     fn degenerate_segment_has_no_directionality() {
diff --git a/rsvg_internals/src/viewport.rs b/rsvg_internals/src/viewport.rs
index d8a7ca3c..0d04343b 100644
--- a/rsvg_internals/src/viewport.rs
+++ b/rsvg_internals/src/viewport.rs
@@ -226,29 +226,33 @@ mod tests {
         let mut affine = cairo::Matrix::identity();
         affine.scale(0.25, 0.25);
 
-        let mut ctx = Ctx { view_box_size: None,
-                            clipping_rect: None,
-                            affine: None,
-                            expected_view_box_size: Some((40.0, 40.0)),
-                            expected_clipping_rect: Some((10.0, 10.0, 10.0, 10.0)),
-                            expected_affine: Some(affine)
+        let mut ctx = Ctx {
+            view_box_size: None,
+            clipping_rect: None,
+            affine: None,
+
+            expected_view_box_size: Some((40.0, 40.0)),
+            expected_clipping_rect: Some((10.0, 10.0, 10.0, 10.0)),
+            expected_affine: Some(affine),
         };
 
-        call_in_viewport(10.0,
-                         10.0,
-                         10.0,
-                         10.0,
-                         ClipMode::ClipToViewport,
-                         true,
-                         Some(ViewBox(cairo::Rectangle {
-                             x: 40.0,
-                             y: 40.0,
-                             width: 40.0,
-                             height: 40.0,
-                         })),
-                         AspectRatio::parse("xMidYMid meet", ()).unwrap(),
-                         cairo::Matrix::identity(),
-                         &mut ctx);
+        call_in_viewport(
+            10.0,
+            10.0,
+            10.0,
+            10.0,
+            ClipMode::ClipToViewport,
+            true,
+            Some(ViewBox(cairo::Rectangle {
+                x: 40.0,
+                y: 40.0,
+                width: 40.0,
+                height: 40.0,
+            })),
+            AspectRatio::parse("xMidYMid meet", ()).unwrap(),
+            cairo::Matrix::identity(),
+            &mut ctx,
+        );
     }
 
     #[test]