Fix leak when DFPR fails to draw path

src/gpu/batches/GrAADistanceFieldPathRenderer.cpp

Index: src/gpu/batches/GrAADistanceFieldPathRenderer.cpp
diff --git a/src/gpu/batches/GrAADistanceFieldPathRenderer.cpp b/src/gpu/batches/GrAADistanceFieldPathRenderer.cpp
index 553ac6e0c6848270f66af4344f8447c73126e421..a9ba94da404d3d527e946b325dfbe3da45b2b682 100644
--- a/src/gpu/batches/GrAADistanceFieldPathRenderer.cpp
+++ b/src/gpu/batches/GrAADistanceFieldPathRenderer.cpp
@@ -264,6 +264,7 @@ private:
                                           args.fAntiAlias,
                                           desiredDimension,
                                           scale)) {
+                    delete shapeData;
                     SkDebugf("Can't rasterize path\n");
                     continue;
                 }