Fix dependent linking issue.

The LabelStatisticsImageFilter use the MinimumMaximumImageFilter for
computation of histogram bounds. This introduce a depenency
issue. Because all Filters utilize the same export define, and there
is no dependency between the generated filters library these two
filter must exist in the same library.

Change-Id: I81715fb42ca3f42d561ea785a56f2a515ad86a57
Merge topic 'SIMPLEITK-490_Uset1functionForLabelStatisticsImageFilter' into next

f4d16c8a Fix dependent linking issue.