TCP profile: all rnd_X packets may be used even if TCP options are present
TCP profile: all rnd_X packets may be used even if TCP options are present

The rnd_X packets are not able to transmit full TCP options, so they cannot
be used if the structure of the option list changes. However, a TCP packet
with some regular TCP options may use the rnd_X packets. The irregular chain
will contain the changing information.

didier-barvaux/rohc,didier-barvaux/rohc,didier-barvaux/rohc,didier-barvaux/rohc,didier-barvaux/rohc