Updated contrib/pngsuite/README to add the word "modify".

ANNOUNCE

 
-Libpng 1.5.2beta03 - February 20, 2011
+Libpng 1.5.2beta03 - February 28, 2011
 
 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.
@@ -48,8 +48,9 @@ Version 1.5.2beta02 [February 19, 2011]
     This documents the current behavior, where the callback is called after
     every row with information pertaining to the next row.
 
-Version 1.5.2beta03 [February 20, 2011]
+Version 1.5.2beta03 [February 28, 2011]
   Fixed scripts/makefile.vcwin32
+  Updated contrib/pngsuite/README to add the word "modify".
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net:
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CHANGES

@@ -3264,8 +3264,9 @@ Version 1.5.2beta02 [February 19, 2011]
     This documents the current behavior, where the callback is called after
     every row with information pertaining to the next row.
 
-Version 1.5.2beta03 [February 20, 2011]
+Version 1.5.2beta03 [February 28, 2011]
   Fixed scripts/makefile.vcwin32
+  Updated contrib/pngsuite/README to add the word "modify".
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit

contrib/pngsuite/README

 
 pngsuite
 --------
-(c) Willem van Schaik, 1999
+(c) Willem van Schaik, 1999, 2011
 
-Permission to use, copy, and distribute these images for any purpose and
-without fee is hereby granted.
+Permission to use, copy, modify, and distribute these images for any
+purpose and without fee is hereby granted.
 
 The 15 "bas*.png" images are part of the much larger PngSuite test-set of 
 images, available for developers of PNG supporting software. The 
@@ -52,7 +52,7 @@ can use them to test the proper functioning of PNG software.
     ftp0n3p08.png  8-bit paletted, opaque
     ftp1n3p08.png  8-bit paletted, no bKGD
 
-Here is the correct result of typing "pngtest -m *.png" in
+Here is the correct result of typing "pngtest -m bas*.png" in
 this directory:
 
 Testing basn0g01.png: PASS (524 zero samples)