Fix nonnull arg compared to NULL error.
external/com_google_ceres_solver/internal/ceres/rotation_test.cc: In member function 'bool ceres::internal::IsNormalizedQuaternionMatcher::gmock_Impl<arg_type>::MatchAndExplain(typename testing::internal::ConstRef<arg_type>::type, testing::MatchResultListener*) const [with arg_type = const double (&)[4]]':
external/com_google_ceres_solver/internal/ceres/rotation_test.cc:74:3: error: nonnull argument 'arg' compared to NULL [-Werror=nonnull-compare]
if (arg == NULL) {
^~
Change-Id: I21abd87e97e44188580f4926b3700dc321fecb0e
Ceres Solver is an open source C++ library for modeling and solving large, complicated optimization problems. It is a feature rich, mature and performant library which has been used in production at Google since 2010. Ceres Solver can solve two kinds of problems.
Please see ceres-solver.org for more information.