[flang] Merge pull request flang-compiler/f18#339 from flang-compiler/pmk-spaces
authorPeter Klausler <35819229+klausler@users.noreply.github.com>
Mon, 18 Mar 2019 20:46:22 +0000 (13:46 -0700)
committerGitHub <noreply@github.com>
Mon, 18 Mar 2019 20:46:22 +0000 (13:46 -0700)
Squash free-form white space in prescanner around parentheses.

Original-commit: flang-compiler/f18@11eb9c89490bfb90abac1b308781580e54f2de46
Reviewed-on: https://github.com/flang-compiler/f18/pull/339


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