BUG: Add EXCLUDE_FROM_ALL to ThirdParty/MINC.

Since MINCIO is currently in EXCLUDE_FROM_ALL, this should also
be set.

Change-Id: Id80316b1323c719361cdb6a4a69fa55582d932ae
Merge topic 'DisableMINCThirdParty'

2a991a1 BUG: Add EXCLUDE_FROM_ALL to ThirdParty/MINC.