[librsvg/librsvg-2.50] Make a call to push_view_box(1.0, 1.0) consistent with the others

[Federico Mena Quintero <federico src gnome org>]

commit 7af754505dc51eee88310793d0161f4aeda283fb
Author: Federico Mena Quintero <federico gnome org>
Date:   Tue Sep 22 13:59:57 2020 -0500

    Make a call to push_view_box(1.0, 1.0) consistent with the others
    
    We'll replace that little pattern with a helper function.

 rsvg_internals/src/drawing_ctx.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
---
diff --git a/rsvg_internals/src/drawing_ctx.rs b/rsvg_internals/src/drawing_ctx.rs
index bd6cc3f3..870f14ca 100644
--- a/rsvg_internals/src/drawing_ctx.rs
+++ b/rsvg_internals/src/drawing_ctx.rs
@@ -487,12 +487,15 @@ impl DrawingCtx {
 
             clip_to_rectangle(&mask_cr, &clip_rect);
 
-            let _params = if mask.get_content_units() == CoordUnits::ObjectBoundingBox {
+            if mask.get_content_units() == CoordUnits::ObjectBoundingBox {
                 if bbox_rect.is_empty() {
                     return Ok(None);
                 }
                 assert!(bbtransform.is_invertible());
                 mask_cr.transform(bbtransform.into());
+            }
+
+            let _params = if mask.get_content_units() == CoordUnits::ObjectBoundingBox {
                 self.push_view_box(1.0, 1.0)
             } else {
                 self.get_view_params()