pgsql: Mostly mechanical cleanup of pgbench

Mostly mechanical cleanup of pgbench

pgindent for recent commits; also change some variables from int to
boolean, which is how they are really used.

Mostly submitted by Fabien Coelho; this is in preparation to commit
further patches to the file.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/5b3cc1af2f9ba7b0e30054b30e28bd2cc4175b78

Modified Files
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src/bin/pgbench/pgbench.c |   65 +++++++++++++++++++++++----------------------
1 file changed, 33 insertions(+), 32 deletions(-)