[gegl] operations: improve copyright information in softglow

[Michael Natterer <mitch src gnome org>]

commit 9c1599042a9562c53e25bec1bcba7a499baff68c
Author: Michael Natterer <mitch gimp org>
Date:   Sun Jul 14 02:12:50 2019 +0200

    operations: improve copyright information in softglow

 operations/common-gpl3+/softglow.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/operations/common-gpl3+/softglow.c b/operations/common-gpl3+/softglow.c
index 1c2df79d4..0e85d26e1 100644
--- a/operations/common-gpl3+/softglow.c
+++ b/operations/common-gpl3+/softglow.c
@@ -13,7 +13,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
- * Copyright 1997 Spencer Kimball
+ * Copyright 2001 Spencer Kimball, Bit Specialists, Inc.
  * Copyright 2012 Maxime Nicco <maxime nicco gmail com>
  * Copyright 2013 Téo Mazars <teo mazars ensimag fr>
  */