Cleanup: clang-format

intern/cycles/device/metal/device_impl.mm

source/blender/blenkernel/intern/gpencil_update_cache.c

source/blender/blenlib/intern/DLRB_tree.c

...e/blender/depsgraph/intern/eval/deg_eval_runtime_backup.h

...r/depsgraph/intern/eval/deg_eval_runtime_backup_gpencil.h

source/blender/makesdna/DNA_gpencil_types.h

source/blender/makesrna/intern/rna_gpencil.c