BUG: Increase Fourier examples baseline tolerance.
BUG: Increase Fourier examples baseline tolerance.

Slightly different output on Windows.

Change-Id: I7d3cbdb2c138c4f955f762b1b5b02939c20d0383

InsightSoftwareConsortium/ITKExamples,InsightSoftwareConsortium/ITKExamples,InsightSoftwareConsortium/ITKExamples,InsightSoftwareConsortium/ITKExamples,InsightSoftwareConsortium/ITKExamples