[librsvg: 12/13] Use vec! instead of a single vec.push

[Federico Mena Quintero <federico src gnome org>]

commit 0d47e3cd8cf0d4aeb5a32d7f4fd13090faa5773e
Author: Federico Mena Quintero <federico gnome org>
Date:   Mon Apr 12 11:00:46 2021 -0500

    Use vec! instead of a single vec.push

 src/drawing_ctx.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/src/drawing_ctx.rs b/src/drawing_ctx.rs
index 3d1b43d8..ca196acd 100644
--- a/src/drawing_ctx.rs
+++ b/src/drawing_ctx.rs
@@ -257,8 +257,7 @@ impl DrawingCtx {
         let vbox = ViewBox::from(viewport);
         let initial_viewport = Viewport { transform, vbox };
 
-        let mut viewport_stack = Vec::new();
-        viewport_stack.push(initial_viewport);
+        let viewport_stack = vec![initial_viewport];
 
         DrawingCtx {
             initial_viewport,