[librsvg/librsvg-2.50] Rename argument

[Federico Mena Quintero <federico src gnome org>]

commit e41bc137f66d3872d3d94803709fa1552213ceac
Author: Federico Mena Quintero <federico gnome org>
Date:   Mon Sep 21 17:30:55 2020 -0500

    Rename argument

 rsvg_internals/src/drawing_ctx.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/rsvg_internals/src/drawing_ctx.rs b/rsvg_internals/src/drawing_ctx.rs
index e4c77d72..464cfacb 100644
--- a/rsvg_internals/src/drawing_ctx.rs
+++ b/rsvg_internals/src/drawing_ctx.rs
@@ -147,7 +147,7 @@ pub struct DrawingCtx {
 
 impl DrawingCtx {
     pub fn new(
-        node: Option<&Node>,
+        limit_to_stack: Option<&Node>,
         cr: &cairo::Context,
         viewport: Rect,
         dpi: Dpi,
@@ -195,8 +195,8 @@ impl DrawingCtx {
             testing,
         };
 
-        if let Some(node) = node {
-            for n in node.ancestors() {
+        if let Some(limit_to_stack) = limit_to_stack {
+            for n in limit_to_stack.ancestors() {
                 draw_ctx.drawsub_stack.push(n.clone());
             }
         }