[devel] Added some PNG_NO_* defines to contrib/pngminim/*/pngusr.h to

save some space.
diff --git a/CHANGES b/CHANGES
index 8007bf3..09e11a0 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2639,7 +2639,7 @@
     dependent (and those that are system dependent) are evaluated
     each time - pngconf.h holds these.  Options that can be changed
     per-file in the application are in png.h.  Frozen options are
-    in the new installed header file pnglibconf.h
+    in the new installed header file pnglibconf.h (John Bowler)
   Removed the xcode project because it has not been updated to work
     with libpng-1.5.0.
   Removed the ability to include optional pngusr.h
@@ -2651,6 +2651,7 @@
     errors are disabled via PNG_NO_WARN or PNG_NO_ERROR_TEXT, to avoid
     storing unneeded error/warning text.
   Updated contrib/pngminim project to work with the new pnglibconf.h
+  Added some PNG_NO_* defines to contrib/pngminim/*/pngusr.h to save space.
 
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