Apparently we don't have pg_ctl

Author: sgrif

.travis.yml

@@ -28,7 +28,7 @@ env:
 
 install:
   - sudo cp /etc/postgresql/10/main/pg_hba.conf /etc/postgresql/11/main/pg_hba.conf
-  - sudo pg_ctl reload
+  - sudo systemctl restart postgresql@11-main
   - script/ci/cargo-clean-on-new-rustc-version.sh
   - cargo install --force diesel_cli --vers `cat .diesel_version` --no-default-features --features postgres && export PATH=$HOME/.cargo/bin:$PATH