2013-05-17 16:43 UTC+0200 Viktor Szakáts (harbour syenar.net)
  * src/3rd/zlib/*
  * src/3rd/zlib/Makefile
    * update 1.2.7 -> 1.2.8

  * src/3rd/png/*
  * src/3rd/png/Makefile
  * src/3rd/png/png.dif
    * update 1.6.1 -> 1.6.2