[librsvg] draw_in_viewport(): Don't pass an affine to the callback; it's implicit now

[Federico Mena Quintero <federico src gnome org>]

commit 02a27e9eb780422ca6ba04d748c097e18b71da39
Author: Federico Mena Quintero <federico gnome org>
Date:   Wed Sep 27 11:35:06 2017 -0500

    draw_in_viewport(): Don't pass an affine to the callback; it's implicit now

 rust/src/structure.rs |    4 ++--
 rust/src/viewport.rs  |    4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/rust/src/structure.rs b/rust/src/structure.rs
index f1125e5..5d330d9 100644
--- a/rust/src/structure.rs
+++ b/rust/src/structure.rs
@@ -182,7 +182,7 @@ impl NodeTrait for NodeSvg {
                          self.preserve_aspect_ratio.get(),
                          drawing_ctx::get_current_state_affine(draw_ctx),
                          draw_ctx,
-                         |affine| {
+                         || {
                              drawing_ctx::state_push(draw_ctx);
                              node.draw_children(draw_ctx, -1); // dominate==-1 so it won't reinherit or push 
a layer
                              drawing_ctx::state_pop(draw_ctx);
@@ -310,7 +310,7 @@ impl NodeTrait for NodeUse {
                                  symbol.preserve_aspect_ratio.get(),
                                  drawing_ctx::get_current_state_affine(draw_ctx),
                                  draw_ctx,
-                                 |affine| {
+                                 || {
                                      drawing_ctx::state_push(draw_ctx);
                                      child.draw_children(draw_ctx, 1);
                                      drawing_ctx::state_pop(draw_ctx);
diff --git a/rust/src/viewport.rs b/rust/src/viewport.rs
index 86113f1..12eb90b 100644
--- a/rust/src/viewport.rs
+++ b/rust/src/viewport.rs
@@ -15,7 +15,7 @@ pub fn draw_in_viewport<F>(vx: f64, vy: f64, vw: f64, vh: f64,
                            mut affine: cairo::Matrix,
                            draw_ctx: *const RsvgDrawingCtx,
                            draw_fn: F)
-    where F: FnOnce(cairo::Matrix)
+    where F: FnOnce()
 {
     // width or height set to 0 disables rendering of the element
     // https://www.w3.org/TR/SVG/struct.html#SVGElementWidthAttribute
@@ -59,7 +59,7 @@ pub fn draw_in_viewport<F>(vx: f64, vy: f64, vw: f64, vh: f64,
 
     drawing_ctx::set_current_state_affine(draw_ctx, affine);
 
-    draw_fn(affine);
+    draw_fn();
 
     drawing_ctx::pop_discrete_layer(draw_ctx);
     drawing_ctx::pop_view_box(draw_ctx);