Use NULL instead of png_voidp_NULL.
authorSteinar H. Gunderson <sgunderson@bigfoot.com>
Mon, 21 Jan 2013 19:55:26 +0000 (20:55 +0100)
committerSteinar H. Gunderson <sgunderson@bigfoot.com>
Mon, 21 Jan 2013 19:55:26 +0000 (20:55 +0100)
commitc7e57f5c9fbc1b58d450557cfbffe60480bdd6b7
treed0b17c96668ba203a18a14d2eaff1a5b1aafd094
parentb5986420fc150a8c54e907fe7fdd7b89d6e93b55
Use NULL instead of png_voidp_NULL.

Fixes a compile error on OS X, reportedly.
demo.cpp