pgsql: Avoid unnecessary MemSet call

Avoid unnecessary MemSet call

The variable in question was changed from a struct to a pointer some
time ago (77947c51c08).  Using MemSet to zero it still works but is
obviously unidiomatic and confusing, so change it to a straight
assignment.

Author: Ranier Vilela <ranier.vf@gmail.com>
Discussion:
https://www.postgresql.org/message-id/flat/CAEudQApCeq4JjW1BdnwU=m=-DvG5WyUik0Yfn3p6UNphiHjj+w@mail.gmail.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/8cd61d288adfabe1b7f83359eb0abd27382eec08

Modified Files
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src/backend/utils/cache/relcache.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)