Exodus: Always attach the title to the output fields

The title is a statically-sized array, not a raw pointer, so it is
always non-NULL. Always attach the title since we don't need to worry
about NULL-dereferences.

Change-Id: I6c855cf4d8a04dd206dcb983555a2bcb01a4179a
Merge topic 'always-attach-exodus-title' into master

e073d6de Exodus: Always attach the title to the output fields