pgsql: Revert "pg_upgrade: Fix quoting of some arguments in pg_ctl comm - Mailing list pgsql-committers

Revert "pg_upgrade: Fix quoting of some arguments in pg_ctl command"

This reverts commit d1c0b61.  The patch has some downsides that require
more attention, as discussed with Noah Misch.

Backpatch-through: 9.5

Branch
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REL9_6_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/ff8c6fe95b81a36f0e81e879e41eb43d54282862

Modified Files
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src/bin/pg_upgrade/server.c | 94 ++++++++++++++-------------------------------
1 file changed, 28 insertions(+), 66 deletions(-)