Nah. Apparently there can be even more different values for this field in
documents which we should not handle, so using default: is wrong.

This reverts commit 7bd108e7.
(cherry picked from commit f4d4bb79)
Signed-off-by: Michael Stahl <mstahl@redhat.com>

Conflicts:
	sd/source/filter/eppt/pptx-text.cxx

Change-Id: I5e811d0471581b02e8138b59fbac6530d7267d9f