[flang-commits] [flang] [flang][OpenMP] Use iterator_range/range-for for FindClauses, NFC (PR #115749)

[Tom Eccles via flang-commits]

https://github.com/tblah approved this pull request.

Looks great to me. Much nicer to read. Thanks!

https://github.com/llvm/llvm-project/pull/115749