enc_neon,cosmetics: break long comment
enc_neon,cosmetics: break long comment

Change-Id: I88dff0271fef1cc6dd5888572bfe0f09f467b028

PKRoma/libwebp,PKRoma/libwebp,webmproject/libwebp,webmproject/libwebp,PKRoma/libwebp,webmproject/libwebp,webmproject/libwebp,webmproject/libwebp,PKRoma/libwebp,PKRoma/libwebp,PKRoma/libwebp