Fixed meta data retrieve when OID is larger than 2^31

Author: Yasuo Ohgaki

ext/pdo_pgsql/pgsql_statement.c

@@ -587,7 +587,7 @@ static int pgsql_stmt_get_column_meta(pdo_stmt_t *stmt, long colno, zval *return
 	add_assoc_long(return_value, "pgsql:oid", S->cols[colno].pgsql_type);
 
 	/* Fetch metadata from Postgres system catalogue */
-	spprintf(&q, 0, "SELECT TYPNAME FROM PG_TYPE WHERE OID=%d", S->cols[colno].pgsql_type);
+	spprintf(&q, 0, "SELECT TYPNAME FROM PG_TYPE WHERE OID=%u", S->cols[colno].pgsql_type);
 	res = PQexec(S->H->server, q);
 	efree(q);