Correct the syntax of preprocessor check for wxOSX_USE_IPHONE in libpng, it
got somehow broken during upgrade to 1.4.4.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@66439
c3d73ce0-8a6f-49c7-b76d-
6d57e0e08775
*/
#ifdef PNG_FLOATING_POINT_SUPPORTED
-# ifdef MACOS && !wxOSX_USE_IPHONE
+# if defined(MACOS) && !wxOSX_USE_IPHONE
/* We need to check that <math.h> hasn't already been included earlier
* as it seems it doesn't agree with <fp.h>, yet we should really use
* <fp.h> if possible.