Prevent emitting "ALTER VIEW foo SET ()".
Prevent emitting "ALTER VIEW foo SET ()".

Small oversight in commit 0f524ea0cf388a149f362e48a33c01662eeddc04 ...
per report from Grazvydas Valeika.

arcivanov/postgres-xl,postmind-net/postgres-xl,kmjungersen/PostgresXL,postmind-net/postgres-xl,snaga/postgres-xl,arcivanov/postgres-xl,snaga/postgres-xl,kmjungersen/PostgresXL,postmind-net/postgres-xl,arcivanov/postgres-xl,kmjungersen/PostgresXL,postmind-net/postgres-xl,arcivanov/postgres-xl,kmjungersen/PostgresXL,snaga/postgres-xl,snaga/postgres-xl,arcivanov/postgres-xl,snaga/postgres-xl,postmind-net/postgres-xl,arcivanov/postgres-xl,kmjungersen/PostgresXL