- eliminate prototypes for libpng functions already declared in png.h
- eliminate prototype for il_create_alpha_mask() (now deleted)
- add "extern" to prototype for row_callback() (in png_png.cpp)
- eliminate il_png_init_transparency() and il_png_destroy_transparency() (never used)
- ifdef out GIF leftovers in il_png_complete()
- This patch plugs the memory leak. il_png_init() does PR_NEWZAP()on
ic->ds; never freed.
- Removed png_png.cpp
git-svn-id: svn://10.0.0.236/trunk@44728 18797224-902f-48f8-a5cc-f745e15eee43
f03ed5b5bc