pgsql: Split dry-run messages into primary and detail

Split dry-run messages into primary and detail

Fixup for commit c05dee19112. It fits better with the style and APIs
to print separate primary and a detail messages instead of one
multiline message.

Reviewed-by: Euler Taveira <euler(at)eulerto(dot)com>
Reviewed-by: Peter Smith <smithpb2250(at)gmail(dot)com>
Reviewed-by: Álvaro Herrera <alvherre(at)kurilemu(dot)de>
Discussion: https://postgr.es/m/CAHut+PsvQJQnQO0KT0S2oegenkvJ8FUuY-QS5syyqmT24R2xFQ@mail.gmail.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/e3b5817c8b89790f7f4bf96a1fef98aed88d2fdb

Modified Files
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src/bin/pg_archivecleanup/pg_archivecleanup.c | 6 ++++--
src/bin/pg_basebackup/pg_createsubscriber.c | 6 ++++--
src/bin/pg_combinebackup/pg_combinebackup.c | 6 ++++--
src/bin/pg_rewind/pg_rewind.c | 6 ++++--
src/bin/scripts/vacuumdb.c | 6 ++++--
5 files changed, 20 insertions(+), 10 deletions(-)