If, after editing the settings for a particular interface, we don't have
a Capture Options window to update, don't try to update it.

#BACKPORT

svn path=/trunk/; revision=49850
Don't treat zero-length names in the NRB as errors, just silently ignore
them.

Works around the problem reported in bug 8763.

svn path=/trunk/; revision=49851
Don't put zero-length names into our tables of resolved IPv4 and IPv6
addresses; they look weird, and can cause problems with existing
versions of Wireshark when written in a Name Resolution Block.

Should fix bug 8763.

svn path=/trunk/; revision=49852
Batch of filterable expert infos.

svn path=/trunk/; revision=49853
libwireshark's add_new_ipv4() and add_new_ipv6() now silently ignore
requests to add an entry with a zero-length name; we don't have to
ignore them ourselves.

svn path=/trunk/; revision=49854
From Tommy Wu:
Correct VSA name.

svn path=/trunk/; revision=49855
From Dario Lombardo via https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=8776

Two new DNS tree items: dns.count.labels and dns.qry.name.len.

svn path=/trunk/; revision=49856
Add memdup function to wmem.

svn path=/trunk/; revision=49857
Convince the compiler that a DNS name won't be longer than 2^32 characters,
even on 64-bit systems.

svn path=/trunk/; revision=49858
[Automatic manuf, services and enterprise-numbers update for 2013-06-09]

svn path=/trunk/; revision=49859