```cmake
# Contact: Matt McCormick <matt.mccormick@kitware.com>
itk_fetch_module(HigherOrderAccurateGradient
  "This module contains a filter to compute higher order
  accurate numerical derivatives and gradients from an input scalar image.
  field from a displacement field image.
  Higher Order Accurate Derivative and Gradient Calculation in ITK
  http://www.insight-journal.org/browse/publication/775
  http://hdl.handle.net/10380/3231"
  GIT_REPOSITORY https://github.com/InsightSoftwareConsortium/ITKHigherOrderAccurateGradient.git
  GIT_TAG 011136180ec1779a4a6eb2294efd06deefe0fe7a
  )
```

Update HigherOrderAccurateGradient module for style fixes.
user
```cmake
# Contact: Matt McCormick <matt.mccormick@kitware.com>
itk_fetch_module(HigherOrderAccurateGradient
  "This module contains a filter to compute higher order
  accurate numerical derivatives and gradients from an input scalar image.
  field from a displacement field image.
  Higher Order Accurate Derivative and Gradient Calculation in ITK
  http://www.insight-journal.org/browse/publication/775
  http://hdl.handle.net/10380/3231"
  GIT_REPOSITORY https://github.com/InsightSoftwareConsortium/ITKHigherOrderAccurateGradient.git
  GIT_TAG 25e3ff135678fad2492db6aa5aa9fadc26d725e8
  )
```
assistant