pgsql: psql: Fix exit status when query is canceled

psql: Fix exit status when query is canceled Because of a small thinko in 7844c9918a43b494adde3575891d217a37062378, psql -c would exit successfully when a query is canceled. Fix this so that it exits with a nonzero status, just like for all other errors. Branch -- REL_15_STABLE Details

pgsql: psql: Fix exit status when query is canceled

psql: Fix exit status when query is canceled Because of a small thinko in 7844c9918a43b494adde3575891d217a37062378, psql -c would exit successfully when a query is canceled. Fix this so that it exits with a nonzero status, just like for all other errors. Branch -- master Details --- htt