NS Trace (NetScaler Trace) file format is not able to export specified packets

This issue was migrated from bug 10998 in our old bug tracker.

Original bug information:

Reporter: she…@‍cit…
Status: RESOLVED FIXED
Product: Wireshark
Component: Capture file support (libwiretap)
OS: All
Platform: All
Version: 1.12.3

Attachments:

changes.PATCH: patch file for review
nstrace_original.cap: sample nstrace capture file for testing and reproduction
nstrace_export.cap: result of export specified packets [before fix]
nstrace_export_fixed.cap: result of export specified packets [afterfix]