pgsql: Compact for loops

Compact for loops

Declare loop variable in for loop, for readability and to save space.

Reviewed-by: Corey Huinker <corey.huinker@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/0ccdd3e1-10b0-dd05-d8a7-183507c11eb1%402ndquadrant.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/554ebf687852d045f0418d3242b978b49f160f44

Modified Files
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src/backend/utils/adt/ri_triggers.c | 47 ++++++++++++++-----------------------
1 file changed, 17 insertions(+), 30 deletions(-)