[libpng15] Removed tests for no-longer-used *_EMPTY_PLTE_SUPPORTED

from pngstruct.h

ANNOUNCE

 
-Libpng 1.5.9beta02 - February 6, 2012
+Libpng 1.5.9beta02 - February 11, 2012
 
 This is not intended to be a public release.  It will be replaced
 within a few weeks by a public version or by another test version.
@@ -29,8 +29,10 @@ Changes since the last public release (1.5.8):
 Version 1.5.9beta01 [February 3, 2012]
   Rebuilt configure scripts in the tar distributions.
 
-Version 1.5.9beta02 [February 6, 2012]
+Version 1.5.9beta02 [February 11, 2012]
   Removed two unused definitions from scripts/pnglibconf.h.prebuilt
+  Removed some unused arrays (with #ifdef) from png_read_push_finish_row().
+  Removed tests for no-longer-used *_EMPTY_PLTE_SUPPORTED in pngstruct.h
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net:
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CHANGES

@@ -3797,8 +3797,10 @@ Version 1.5.8 [February 1, 2012]
 Version 1.5.9beta01 [February 3, 2012]
   Rebuilt configure scripts in the tar distributions.
 
-Version 1.5.9beta02 [February 6, 2012]
+Version 1.5.9beta02 [February 11, 2012]
   Removed two unused definitions from scripts/pnglibconf.h.prebuilt
+  Removed some unused arrays (with #ifdef) from png_read_push_finish_row().
+  Removed tests for no-longer-used *_EMPTY_PLTE_SUPPORTED in pngstruct.h
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit

pngstruct.h

@@ -283,9 +283,7 @@ struct png_struct_def
 #endif
 
 /* New member added in libpng-1.0.4 (renamed in 1.0.9) */
-#if defined(PNG_MNG_FEATURES_SUPPORTED) || \
-    defined(PNG_READ_EMPTY_PLTE_SUPPORTED) || \
-    defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED)
+#if defined(PNG_MNG_FEATURES_SUPPORTED)
 /* Changed from png_byte to png_uint_32 at version 1.2.0 */
    png_uint_32 mng_features_permitted;
 #endif