Fix another "match_strval()" call.

Fix another "match_strval()" call.

Remove one level of indentation from a "switch()" statement, so as not
to oblige those of who use 80-column windows for editing (and will
continue to do, arguments against it nonwithstanding; I *like* being
able to have lots of windows open and visible) to have to play too many
games in order to be able to work on this code.

git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@2907 f5534014-38df-0310-8fa8-9805f1628bb7