[tx] Add safety initialization of pdwCtx structure in pdwNew #1474
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- Avoids out-of-bounds read error with malformed input files in `tx -pdf` mode. - Updated tx & pdfwrite version numbers.
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Description
Updates to pdfwrite.c to avoid an out-of-bounds read error with malformed input files in
tx -pdfmode caused by an uninitializedpdwCtxstructure. Version numbers for pdfwrite and tx were also updated.Checklist:
I have added test code and data to prove that my code functions correctlyI have made corresponding changes to the documentation