Include zlib.h when necessary.
authorTim Terriberry <tterribe@xiph.org>
Tue, 8 Jan 2013 16:45:06 +0000 (16:45 +0000)
committerTim Terriberry <tterribe@xiph.org>
Tue, 8 Jan 2013 16:45:06 +0000 (16:45 +0000)
commitd0c140ab9844a3074983fd3acd252b9bf5693ba0
tree67637544f591da3bfbe1abc70c92a29a9a3c77d4
parentfadf58a0cc67dc7dd61819b7c279c9120ff1bfc1
Include zlib.h when necessary.

Newer versions of png.h don't include it for us.
This is only needed when compiling with OC_DUMP_IMAGES (i.e., for
 debugging).

svn path=/trunk/theora/; revision=18760
lib/state.c