psql: Improve portability of query cancel test
Some shells apparently don't support $PPID, so skip the test in that
case.
Branch
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master
Details
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https://git.postgresql.org/pg/commitdiff/c818c25f448d0085e1bb2be402463a4b28bc20c4
Modified Files
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src/bin/psql/t/020_cancel.pl | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
