[ios,macos] Partially revert 06af75

Use static_cast<float> to convert from CGfloat when creating
PropertyValue<float> and avoid breaking backwards-compatibility.

1 files changed, 2 insertions, 2 deletions

diff --git a/platform/darwin/src/MGLPolyline.mm b/platform/darwin/src/MGLPolyline.mm
index 9f6f6c3542..b81147a3ba 100644
--- a/platform/darwin/src/MGLPolyline.mm
+++ b/platform/darwin/src/MGLPolyline.mm
@@ -24,9 +24,9 @@
     }
 
     mbgl::LineAnnotation annotation { geometry };
-    annotation.opacity = { [delegate alphaForShapeAnnotation:self] };
+    annotation.opacity = { static_cast<float>([delegate alphaForShapeAnnotation:self]) };
     annotation.color = { [delegate strokeColorForShapeAnnotation:self] };
-    annotation.width = { [delegate lineWidthForPolylineAnnotation:self] };
+    annotation.width = { static_cast<float>([delegate lineWidthForPolylineAnnotation:self]) };
 
     return annotation;
 }