* ppudump: Proper output of Unicode string constants.

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@24410 3ad0048d-3df7-0310-abae-a5850022a9f2
* ppudump: Proper tag for a source file in XML.

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@24411 3ad0048d-3df7-0310-abae-a5850022a9f2