Update all files to mention version 3 of the GPL.

diff --git a/projet_cpe_iot/main.c b/projet_cpe_iot/main.c
index be8fbe8..490635e 100644 (file)
--- a/projet_cpe_iot/main.c
+++ b/projet_cpe_iot/main.c
@@ -8,7 +8,7 @@
  *
  * 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
- * the Free Software Foundation, either version 2 of the License, or
+ * the Free Software Foundation, either version 3 of the License, or
  * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,