ThorVG: update from v0.11.2 to v0.11.6

https://github.com/thorvg/thorvg/releases/tag/v0.11.6

Godot related:
    + [Renderer] Improved the internal structure for compact
      scene-hierarchy traversing.
    + [SwEngine] Improved trigonometric & image scaler performance.
    + [SwEngine] Fixed a loss of image pixels during image down-scaling.
    + [Renderer/Engine] Improved safety measures.
    + [SwEngine] Resolved a bug causing strokes to be improperly
      invisible due to clipping.
      thorvg/thorvg#1785
    + [Renderer] Rectified the precision of rounded rectangle corners.
      thorvg/thorvg#1824
    + [Portability] Resolved compiler shadowing warnings.
      thorvg/thorvg#1811

    Fixes godotengine#85465 Clipped strokes from outside the canvas.
    Fixes godotengine#86012 Rounded rectangles in SVG files rendering incorrectly.

1 files changed, 4 insertions, 0 deletions

diff --git a/thirdparty/thorvg/src/renderer/sw_engine/tvgSwShape.cpp b/thirdparty/thorvg/src/renderer/sw_engine/tvgSwShape.cpp
index 4f66cdacc0..ae2ddd2af7 100644
--- a/thirdparty/thorvg/src/renderer/sw_engine/tvgSwShape.cpp
+++ b/thirdparty/thorvg/src/renderer/sw_engine/tvgSwShape.cpp
@@ -558,11 +558,15 @@ void shapeReset(SwShape* shape)
 void shapeFree(SwShape* shape)
 {
     rleFree(shape->rle);
+    shape->rle = nullptr;
+
     shapeDelFill(shape);
 
     if (shape->stroke) {
         rleFree(shape->strokeRle);
+        shape->strokeRle = nullptr;
         strokeFree(shape->stroke);
+        shape->stroke = nullptr;
     }
 }