* Skip calculation of merge indices if merging isn't enabled * Clean up usage of BMesh operators to fix small memory leak * Fix harmless BLI_assert in CustomData_bmesh_merge * Another null-initialization fix in CustomData_bmesh_merge
* Skip calculation of merge indices if merging isn't enabled * Clean up usage of BMesh operators to fix small memory leak * Fix harmless BLI_assert in CustomData_bmesh_merge * Another null-initialization fix in CustomData_bmesh_merge