Cleanup: Fix building warnings on gcc 9.4.0

Solution by Jacques Lucke

1 files changed, 1 insertions, 1 deletions

diff --git a/source/blender/editors/sculpt_paint/paint_vertex_color_ops.cc b/source/blender/editors/sculpt_paint/paint_vertex_color_ops.cc
index 0fb4ded3b2a..a7c44a17e05 100644
--- a/source/blender/editors/sculpt_paint/paint_vertex_color_ops.cc
+++ b/source/blender/editors/sculpt_paint/paint_vertex_color_ops.cc
@@ -294,7 +294,7 @@ static bool transform_active_color(Mesh &mesh, const TransformFn &transform_fn)
   attribute_math::convert_to_static_type(color_attribute.varray.type(), [&](auto dummy) {
     using T = decltype(dummy);
     threading::parallel_for(selection.index_range(), 1024, [&](IndexRange range) {
-      for (const int i : selection.slice(range)) {
+      for ([[maybe_unused]] const int i : selection.slice(range)) {
         if constexpr (std::is_same_v<T, ColorGeometry4f>) {
           ColorGeometry4f color = color_attribute.varray.get<ColorGeometry4f>(i);
           transform_fn(color);