Add gradient animation steps
makes linear gradients in both fills/shapes animatable!
(both the steps and the start/end xy coords)
Diffs=
210e0ab14 Add gradient animation steps (#4451)
diff --git a/.rive_head b/.rive_head
index bee22c8..6e18a36 100644
--- a/.rive_head
+++ b/.rive_head
@@ -1 +1 @@
-5d661f39a523edf569d9b8b7deed85780309b096
+210e0ab148b628d05400073230bb70a65e787772
diff --git a/include/rive/span.hpp b/include/rive/span.hpp
index bc86e3d..5dac1b5 100644
--- a/include/rive/span.hpp
+++ b/include/rive/span.hpp
@@ -9,6 +9,7 @@
#include <initializer_list>
#include <type_traits>
+#include <iterator>
/*
* Span : cheap impl of std::span (which is C++20)
