Merge branch '555-smb3-negotiate-context-fix' of https://github.com/mad/zeek

- Fixed the context list padding to only be used for dialect 0x0311.
  The new test case includes an example where parsing the optional
  padding would fail for another dialect.

* '555-smb3-negotiate-context-fix' of https://github.com/mad/zeek:
  Fix for smb3 negotiate context

testing/btest/scripts/base/protocols/smb/smb3-negotiate-context.test

@@ -0,0 +1,9 @@
+# @TEST-EXEC: zeek -b -r $TRACES/smb/smb3_negotiate_context.pcap %INPUT
+# @TEST-EXEC: btest-diff .stdout
+
+@load base/protocols/smb
+
+event smb2_negotiate_response(c: connection , hdr: SMB2::Header , response: SMB2::NegotiateResponse )
+	{
+	print response;
+	}