Fixing OSI identifier; see also SPDX

Author: karsten-klein

src/licensedcode/data/licenses/bsd-new.yml

@@ -12,4 +12,4 @@ osi_url: http://www.opensource.org/licenses/BSD-3-Clause
 other_urls:
     - http://framework.zend.com/license/new-bsd
     - https://opensource.org/licenses/BSD-3-Clause
-osi_license_key: BSD-3
+osi_license_key: BSD-3-Clause