Add support for tcp.analysis.spurious_retransmission to TCP dissector
**This issue was migrated from [bug 8614](https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=8614) in our old bug tracker.** Original bug information: **Reporter:** Joe McEachern\ **Status:** RESOLVED FIXED\ **Product:** Wireshark\ **Component:** Dissection engine (libwireshark)\ **OS:** Linux\ **Platform:** x86\ **Version:** Git Attachments: [tcp_spurious.patch](/uploads/adf6736213a206ad080875016d732d8a/tcp_spurious.patch): Patch that adds tcp.analysis.spurious_retransmission support [spur.pcapng](/uploads/985e70b0cda9652ffdb5226db5a7285d/spur.pcapng): Sample capture
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