Fix 80cols violation in local_parameterization.h

Change-Id: I07f59baa9e4aba7c5ae028f0c144ea9ad153d49a

include/ceres/local_parameterization.h

diff --git a/include/ceres/local_parameterization.h b/include/ceres/local_parameterization.h
index 0d74087..ecac5ba 100644
--- a/include/ceres/local_parameterization.h
+++ b/include/ceres/local_parameterization.h
@@ -160,7 +160,9 @@
                     double* x_plus_delta) const;
   virtual bool ComputeJacobian(const double* x,
                                double* jacobian) const;
-  virtual int GlobalSize() const { return static_cast<int>(constancy_mask_.size()); }
+  virtual int GlobalSize() const {
+    return static_cast<int>(constancy_mask_.size());
+  }
   virtual int LocalSize() const { return local_size_; }
 
  private: