Fudge PNG macro detection based on version of libpng.
commitbcabb9e8f36dee1aeaabccb79cbfdb9e425677e3
authortadam <tadam>
Sat, 24 Apr 2010 16:00:35 +0000 (24 16:00 +0000)
committertadam <tadam>
Sat, 24 Apr 2010 16:00:35 +0000 (24 16:00 +0000)
tree016a2d576ddccc64e698b56525feb5870e969520
parent3a0690ac6303f79efeee8beaa4445f6d7449f500
Fudge PNG macro detection based on version of libpng.

libpng 1.4.0 has some slightly different API calls for macros found in the
more widely used version of libpng 1.2.0 -- so we need to ensure we check
for both.  From Kan Sasaki.
libs/Fpng.h