Short IMSIs (5 digits) lead to wrong decoding+warning

This issue was migrated from bug 16676 in our old bug tracker.

Original bug information:

Reporter: reeagbo
Status: RESOLVED FIXED
Product: Wireshark
Component: Dissection engine (libwireshark)
OS: Windows 10
Platform: x86
Version: 3.2.3

Attachments:

sri-np.pcap: SRI trace including the problem in 2nd and 4th message.

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