Cleanup: Alembic, move the C++ code to `blender::io::alembic` namespace

This commit only moves code into the `blender::io::alembic` namespace,
it does not move `static` functions into an anonymous namespace.

No functional changes.

1 files changed, 8 insertions, 0 deletions

diff --git a/source/blender/io/alembic/intern/abc_reader_points.cc b/source/blender/io/alembic/intern/abc_reader_points.cc
index c5d08693176..b805da4daa3 100644
--- a/source/blender/io/alembic/intern/abc_reader_points.cc
+++ b/source/blender/io/alembic/intern/abc_reader_points.cc
@@ -43,6 +43,10 @@ using Alembic::AbcGeom::IPoints;
 using Alembic::AbcGeom::IPointsSchema;
 using Alembic::AbcGeom::ISampleSelector;
 
+namespace blender {
+namespace io {
+namespace alembic {
+
 AbcPointsReader::AbcPointsReader(const Alembic::Abc::IObject &object, ImportSettings &settings)
     : AbcObjectReader(object, settings)
 {
@@ -153,3 +157,7 @@ struct Mesh *AbcPointsReader::read_mesh(struct Mesh *existing_mesh,
 
   return new_mesh ? new_mesh : existing_mesh;
 }
+
+}  // namespace alembic
+}  // namespace io
+}  // namespace blender