Update Windows1250Encoding.ccp and Windows1252Encoding.ccp including Uni...

This commit will make the unittests work again with after commit: 9b4ddbf6417e460a95339eab42091e9565153ae0

* Add encoding names. According to the document below, the default encoding name should be "windows-1250" and "windows-1252".
   http://www.iana.org/assignments/character-sets/character-sets.xhtml
* Unit tests update to reflect the change.