[librsvg: 13/18] text.rs: Use a mutable DrawingCtx only in Text::draw()

[Marge Bot <marge-bot src gnome org>]

commit f5184354022666cc576f2fb3e01b0394ad47ec4b
Author: Federico Mena Quintero <federico gnome org>
Date:   Mon Oct 25 19:58:06 2021 -0500

    text.rs: Use a mutable DrawingCtx only in Text::draw()
    
    Part-of: <https://gitlab.gnome.org/GNOME/librsvg/-/merge_requests/621>

 src/text.rs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/text.rs b/src/text.rs
index a9bd9d70..84fa2d85 100644
--- a/src/text.rs
+++ b/src/text.rs
@@ -424,7 +424,7 @@ impl PositionedSpan {
     fn layout(
         &self,
         acquired_nodes: &mut AcquiredNodes<'_>,
-        draw_ctx: &mut DrawingCtx,
+        draw_ctx: &DrawingCtx,
         view_params: &ViewParams,
     ) -> LayoutSpan {
         let params = NormalizeParams::new(&self.values, view_params);
@@ -484,7 +484,7 @@ fn children_to_chunks(
     node: &Node,
     acquired_nodes: &mut AcquiredNodes<'_>,
     cascaded: &CascadedValues<'_>,
-    draw_ctx: &mut DrawingCtx,
+    draw_ctx: &DrawingCtx,
     dx: f64,
     dy: f64,
     depth: usize,
@@ -683,7 +683,7 @@ impl Text {
         node: &Node,
         acquired_nodes: &mut AcquiredNodes<'_>,
         cascaded: &CascadedValues<'_>,
-        draw_ctx: &mut DrawingCtx,
+        draw_ctx: &DrawingCtx,
         x: f64,
         y: f64,
     ) -> Vec<Chunk> {
@@ -923,7 +923,7 @@ impl TSpan {
         node: &Node,
         acquired_nodes: &mut AcquiredNodes<'_>,
         cascaded: &CascadedValues<'_>,
-        draw_ctx: &mut DrawingCtx,
+        draw_ctx: &DrawingCtx,
         chunks: &mut Vec<Chunk>,
         dx: f64,
         dy: f64,