[MacPorts] #45158: Update to Groovy 2.3.7

[MacPorts]

#45158: Update to Groovy 2.3.7
----------------------+--------------------------------
 Reporter:  nils@…    |      Owner:  macports-tickets@…
     Type:  update    |     Status:  new
 Priority:  Normal    |  Milestone:
Component:  ports     |    Version:  2.3.1
 Keywords:  haspatch  |       Port:  groovy
----------------------+--------------------------------
 "This version includes several fixes around traits, in particular an
 incompatibility with joint compilation and fixes around AST
 transformations."

 JIRA release notes:
 http://jira.codehaus.org/secure/ReleaseNote.jspa?projectId=10242&version=20543

-- 
Ticket URL: <https://trac.macports.org/ticket/45158>
MacPorts <http://www.macports.org/>
Ports system for OS X