minor formatting fix for trust_region_minimizer.cc

Change-Id: I18ba27825fc23dd0e9e3e15dc13fc0833db01b5b

internal/ceres/trust_region_minimizer.cc

diff --git a/internal/ceres/trust_region_minimizer.cc b/internal/ceres/trust_region_minimizer.cc
index 196f9e6..96334de 100644
--- a/internal/ceres/trust_region_minimizer.cc
+++ b/internal/ceres/trust_region_minimizer.cc
@@ -85,7 +85,8 @@
     iteration_start_time_in_secs_ = WallTimeInSeconds();
 
     const double previous_gradient_norm = iteration_summary_.gradient_norm;
-    const double previous_gradient_max_norm = iteration_summary_.gradient_max_norm;
+    const double previous_gradient_max_norm =
+        iteration_summary_.gradient_max_norm;
 
     iteration_summary_ = IterationSummary();
     iteration_summary_.iteration =
@@ -115,8 +116,6 @@
       return;
     }
 
-
-
     if (IsStepSuccessful()) {
       RETURN_IF_ERROR_AND_LOG(HandleSuccessfulStep());
     } else {