pgsql: Change argument type of pq_sendbytes from char * to void *

Change argument type of pq_sendbytes from char * to void *

This is a follow-up to 1f605b82ba66ece8b421b10d41094dd2e3c0c48b.  It
allows getting rid of further casts at call sites.

Reviewed-by: Corey Huinker <corey.huinker@gmail.com>
Discussion: https://www.postgresql.org/message-id/783a4edb-84f9-6df2-7470-2ef5ccc6607a@enterprisedb.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/3b12e68a5c4609deb9fc69607e0aec072700c0a9

Modified Files
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src/backend/libpq/pqformat.c            |  2 +-
src/backend/utils/adt/array_userfuncs.c | 11 +++++------
src/backend/utils/adt/uuid.c            |  2 +-
src/backend/utils/adt/varbit.c          |  2 +-
src/include/libpq/pqformat.h            |  2 +-
5 files changed, 9 insertions(+), 10 deletions(-)