ClangTidy fixes

Change-Id: I1f4d6975fd1b9629d1db0d529d9ee92d79c11e84

internal/ceres/line_search_minimizer_test.cc

diff --git a/internal/ceres/line_search_minimizer_test.cc b/internal/ceres/line_search_minimizer_test.cc
index 7eba36f..c96405c 100644
--- a/internal/ceres/line_search_minimizer_test.cc
+++ b/internal/ceres/line_search_minimizer_test.cc
@@ -32,7 +32,6 @@
 #include <memory>
 
 #include "ceres/ceres.h"
-#include "ceres/types.h"
 #include "gtest/gtest.h"
 
 namespace ceres::internal {

internal/ceres/numeric_diff_first_order_function_test.cc

diff --git a/internal/ceres/numeric_diff_first_order_function_test.cc b/internal/ceres/numeric_diff_first_order_function_test.cc
index c294627..3dd6c19 100644
--- a/internal/ceres/numeric_diff_first_order_function_test.cc
+++ b/internal/ceres/numeric_diff_first_order_function_test.cc
@@ -33,6 +33,7 @@
 #include <memory>
 
 #include "ceres/array_utils.h"
+#inlcude "ceres/types.h"
 #include "ceres/first_order_function.h"
 #include "gtest/gtest.h"