Merge pull request #7399 from SirScott/postgresql_user_doc_touchup

postgresql_user module documentation:  Clarify that the encrypted param must also be set.

library/database/postgresql_user

@@ -44,7 +44,7 @@ options:
   password:
     description:
       - set the user's password, before 1.4 this was required.
-      - "When passing an encrypted password it must be generated with the format C('str[\\"md5\\"] + md5[ password + username ]'), resulting in a total of 35 characters.  An easy way to do this is: C(echo \\"md5`echo -n \\"verysecretpasswordJOE\\" | md5`\\")."
+      - "When passing an encrypted password, the encrypted parameter must also be true, and it must be generated with the format C('str[\\"md5\\"] + md5[ password + username ]'), resulting in a total of 35 characters.  An easy way to do this is: C(echo \\"md5`echo -n \\"verysecretpasswordJOE\\" | md5`\\")."
     required: false
     default: null
   db: