Avoid modifying trailer when writing

When preparing the trailer for writing to the new file, trim a copy of
the trailer instead of the original file's trailer.

1 files changed, 1 insertions, 0 deletions

diff --git a/include/qpdf/QPDFWriter.hh b/include/qpdf/QPDFWriter.hh
index 962c21dc..e8b744d2 100644
--- a/include/qpdf/QPDFWriter.hh
+++ b/include/qpdf/QPDFWriter.hh
@@ -322,6 +322,7 @@ class QPDFWriter
     void setDataKey(int objid);
     int openObject(int objid = 0);
     void closeObject(int objid);
+    QPDFObjectHandle getTrimmedTrailer();
     void prepareFileForWrite();
     void writeStandard();
     void writeLinearized();