cosmetic change of the licenses.txt file

The script Scripts/developer_scripts/detect_packages_licenses expects a very strict syntax. There was an extra empty line.
2015-01-12 16:21:05 +01:00 · 2015-01-12 16:21:05 +01:00 · 914f8eeec7
parent 2cee9fc33e
commit 914f8eeec7
1 changed files with 0 additions and 1 deletions
--- a/Surface_mesh/package_info/Surface_mesh/license.txt
+++ b/Surface_mesh/package_info/Surface_mesh/license.txt
@ -1,2 +1 @@
 GPL (v3 or later)
-