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fix memory error caught by valgrind
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@ -1778,6 +1778,7 @@ QPDFWriter::writeHintStream(int hint_id)
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unsigned char* hs = hint_buffer->getBuffer();
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unsigned long hlen = hint_buffer->getSize();
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char last_char = hs[hlen - 1];
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writeString("<< /Filter /FlateDecode /S ");
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writeString(QUtil::int_to_string(S));
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@ -1799,7 +1800,7 @@ QPDFWriter::writeHintStream(int hint_id)
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writeBuffer(hint_buffer);
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popPipelineStack();
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if (hs[hlen - 1] != '\n')
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if (last_char != '\n')
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{
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writeString("\n");
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}
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