Fix an 80cols issue in covariance_impl.cc

Change-Id: I2422282919e7100ac852be2176cd754941a8b472

internal/ceres/covariance_impl.cc

diff --git a/internal/ceres/covariance_impl.cc b/internal/ceres/covariance_impl.cc
index dbfabed..5498cb3 100644
--- a/internal/ceres/covariance_impl.cc
+++ b/internal/ceres/covariance_impl.cc
@@ -216,8 +216,9 @@
   const int block2_size = block2->Size();
   const int block2_local_size = block2->LocalSize();
 
-  ConstMatrixRef cov(
-      covariance_matrix_->values() + rows[row_begin], block1_local_size, row_size);
+  ConstMatrixRef cov(covariance_matrix_->values() + rows[row_begin],
+                     block1_local_size,
+                     row_size);
 
   // Fast path when there are no local parameterizations or if the
   // user does not want it lifted to the ambient space.