pgsql: pg_dumpall: Include --verbose option in --help output

pg_dumpall: Include --verbose option in --help output

The -v/--verbose option was not included in the output from --help for
pg_dumpall even though it's in the pg_dumpall documentation and has
apparently been around since pg_dumpall was reimplemented in C in 2002.

Fix that by adding it.

Pointed out by Daniel Westermann.

Back-patch to all supported branches.

Discussion: https://www.postgresql.org/message-id/2020970042.4589542.1482482101585.JavaMail.zimbra%40dbi-services.com

Branch
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REL9_4_STABLE

Details
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http://git.postgresql.org/pg/commitdiff/2ed97140c743b4a4cf725a9d1b54439d7a8dac22

Modified Files
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src/bin/pg_dump/pg_dumpall.c | 1 +
1 file changed, 1 insertion(+)