r42853: Add a null check to fix Coverity CID 280210 (packet-jxta.c)

[Jakub Zawadzki <darkjames-ws () darkjames pl>]

Hi,

Can someone look at r42853[1]?
I don't have access to coverity scans, and I really don't know what CID 280210 means,
but this commit looks strange for me.

get_tpt_conversation(pinfo, TRUE); always returns some not-null pointer,
which results in dead code after patch.

And it still pass tpt_conversation to conversation_get_proto_data,
which would sigsegv with NULL conversation.

Maybe CID 280210 is about 'tpt_conv_data' variable?


[1] http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-jxta.c?r1=42853&r2=42852&pathrev=42853
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