[devel] Make all png_debug macros into *unterminated* statements

or expressions (i.e. a trailing ';' must always be added) and correct
the format statements in various png_debug messages.
diff --git a/CHANGES b/CHANGES
index c0c8412..9c8e200 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2561,7 +2561,7 @@
     and "#define PNG_NO_PEDANTIC_WARNINGS" (John Bowler).
   Created new pngdebug.h and moved debug definitions there.
 
-version 1.5.0beta13 [March 9, 2010]
+version 1.5.0beta13 [March 10, 2010]
   Protect pngstruct.h, pnginfo.h, and pngdebug.h from being included twice.
   Revise the "#ifdef" blocks in png_inflate() so it will compile when neither
     PNG_USER_CHUNK_MALLOC_MAX nor PNG_SET_CHUNK_MALLOC_LIMIT_SUPPORTED
@@ -2570,6 +2570,9 @@
   Moved the 'config.h' support from pngconf.h to pngpriv.h
   Removed PNGAPI from the png_longjmp_ptr typedef.
   Eliminated dependence of pngtest.c on the private pngdebug.h file.
+  Make all png_debug macros into *unterminated* statements or
+    expressions (i.e. a trailing ';' must always be added) and correct
+    the format statements in various png_debug messages.
 
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