The following bug has been logged on the website:
Bug reference: 15799
Logged by: Yury Davydov
Email address: yury(dot)davydov(at)exoduspoint(dot)com
PostgreSQL version: 10.6
Operating system: Red Hat 7.6
Description:
create extension postgres_fdw;
ERROR: could not load library "/usr/pgsql-10/lib/postgres_fdw.so":
/usr/pgsql-10/lib/postgres_fdw.so: undefined symbol: change_plan_targetlist