[gegl] maze: move the license at the top of the file

[Thomas Manni <tmanni src gnome org>]

commit cef60eb5219e73816ed2cd688f3827101ad61e99
Author: Thomas Manni <thomas manni free fr>
Date:   Mon Jul 15 21:45:47 2019 +0200

    maze: move the license at the top of the file

 operations/common-gpl3+/maze.c | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)
---
diff --git a/operations/common-gpl3+/maze.c b/operations/common-gpl3+/maze.c
index b0ce05220..57b0f65de 100644
--- a/operations/common-gpl3+/maze.c
+++ b/operations/common-gpl3+/maze.c
@@ -1,11 +1,4 @@
-/* mazegen code from rec.games.programmer's maze-faq:
- * * maz.c - generate a maze
- * *
- * * algorithm posted to rec.games.programmer by jallen ic sunysb edu
- * * program cleaned and reorganized by mzraly ldbvax dnet lotus com
- * *
- * * don't make people pay for this, or I'll jump up and down and
- * * yell and scream and embarrass you in front of your friends...
+/* This file is an image processing operation for GEGL
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -20,6 +13,15 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
+ * mazegen code from rec.games.programmer's maze-faq:
+ * * maz.c - generate a maze
+ * *
+ * * algorithm posted to rec.games.programmer by jallen ic sunysb edu
+ * * program cleaned and reorganized by mzraly ldbvax dnet lotus com
+ * *
+ * * don't make people pay for this, or I'll jump up and down and
+ * * yell and scream and embarrass you in front of your friends...
+ *
  * Contains code originaly from GIMP 'maze' Plugin by
  * Kevin Turner <acapnotic users sourceforge net>
  *