* add missing description for libpng

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@29227 3ad0048d-3df7-0310-abae-a5850022a9f2
  * add missing description for openssl

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@29228 3ad0048d-3df7-0310-abae-a5850022a9f2
  * add missing description for os2units

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@29229 3ad0048d-3df7-0310-abae-a5850022a9f2
  * add missing description for pasjpeg

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@29230 3ad0048d-3df7-0310-abae-a5850022a9f2
  * add missing description for paszlib

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@29231 3ad0048d-3df7-0310-abae-a5850022a9f2
  * add missing description for tcl

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@29232 3ad0048d-3df7-0310-abae-a5850022a9f2