[Bf-blender-cvs] [6ced6c9545e] master: Fix std::optional value() build error on older macOS SDK

[Hans Goudey]

Commit: 6ced6c9545e54d3e27ec6d233b31e902d6624924
Author: Hans Goudey
Date:   Fri Dec 16 11:02:43 2022 -0600
Branches: master
https://developer.blender.org/rB6ced6c9545e54d3e27ec6d233b31e902d6624924

Fix std::optional value() build error on older macOS SDK

Patch from @dupoxy

Differential Revision: https://developer.blender.org/D16796

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M	source/blender/nodes/geometry/nodes/node_geo_set_position.cc

===================================================================

diff --git a/source/blender/nodes/geometry/nodes/node_geo_set_position.cc b/source/blender/nodes/geometry/nodes/node_geo_set_position.cc
index e219d5bc0a1..ec8c82fc66d 100644
--- a/source/blender/nodes/geometry/nodes/node_geo_set_position.cc
+++ b/source/blender/nodes/geometry/nodes/node_geo_set_position.cc
@@ -33,7 +33,7 @@ static void set_computed_position_and_offset(GeometryComponent &component,
 
   if (in_positions.is_same(positions_read_only)) {
     if (const std::optional<float3> offset = in_offsets.get_if_single()) {
-      if (math::is_zero(offset.value())) {
+      if (math::is_zero(*offset)) {
         return;
       }
     }