chore: split create db and grant to separate psql commands

needed to do the same as I did for github issue.

Author: rouilj

.travis.yml

@@ -156,7 +156,8 @@ before_script:
   # set up postgresql database
   - psql -c "CREATE ROLE rounduptest WITH CREATEDB LOGIN PASSWORD 'rounduptest';" -U postgres
   - psql -c "CREATE ROLE rounduptest_schema LOGIN PASSWORD 'rounduptest';" -U postgres
-  - psql -c "CREATE DATABASE rounduptest_schema;GRANT CREATE ON DATABASE rounduptest_schema TO rounduptest_schema;" -U postgres
+  - psql -c "CREATE DATABASE rounduptest_schema;" -U postgres
+  - psql -c "GRANT CREATE ON DATABASE rounduptest_schema TO rounduptest_schema;" -U postgres
 
   # build the .mo translation files and install them into a tree
   # (locale/locale under roundup directory root)