Log message:
Pullup ticket #3527 - requested by wiz
graphics/pngcrush: security update

Revisions pulled up:
- graphics/pngcrush/Makefile                                    1.49
- graphics/pngcrush/distinfo                                    1.32

---
   Module Name:	pkgsrc
   Committed By:	adam
   Date:		Tue Oct  4 09:36:01 UTC 2011

   Modified Files:
   	pkgsrc/graphics/pngcrush: Makefile distinfo

   Log message:
   Changes 1.7.17:
   * Changed "#if !defined(PNG_NO_STDIO)" to "#ifdef \ 
PNG_STDIO_SUPPORTED"
     as recommended in the libpng documentation.
   * Added PNG_UINT_32_NAME macro and used it to simplify chunk_type integer
     definitions.