[devel] Bump to version libpng-1.5.0beta36

CHANGES

diff --git a/CHANGES b/CHANGES
index f99c5fc..9f86b8b 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2769,6 +2769,8 @@
   Moved the definition of png_snprintf() outside of the enclosing
     #ifdef blocks in pngconf.h
 
+version 1.5.0beta36 [July 24, 2010]
+
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