The SMB2 code to look up decryption keys by session ID assumes it's running on a little-endian machine

This issue was migrated from bug 15772 in our old bug tracker.

Original bug information:

Reporter: Kevin Daudt
Status: RESOLVED FIXED
Product: Wireshark
Component: Dissection engine (libwireshark)
OS: All
Platform: Other
Version: 3.0.1