[Chapel Merge] Fix a leak introduced in #17978

Branch: refs/heads/main
Revision: 33976fe
Author: ronawho
Log Message:

Merge pull request #17983 from ronawho/fix-all-locales-barrier-leak

Fix a leak introduced in #17978

[reviewed by @e-kayrakli]

Fix a leak in allLocalesBarrier introduced by #17978

Modified Files:
M modules/packages/AllLocalesBarriers.chpl

Compare: https://github.com/chapel-lang/chapel/compare/fdd74ddef763...33976fe15fed