diff --git a/png/pngdebug.h b/png/pngdebug.h
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diff --git a/png/pnginfo.h b/png/pnginfo.h
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diff --git a/png/pnglibconf.h b/png/pnglibconf.h
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diff --git a/png/pngpriv.h b/png/pngpriv.h
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diff --git a/png/pngstruct.h b/png/pngstruct.h
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