[assert] Exclude static_assert macro when using C++

[assert] Exclude static_assert macro when using C++

Macro cannot be removed because it breaks lpclink2-lpcboot and others.

Fixes errors like:
In file included from third_party/lk/include/lib/page_alloc.h:32:0,
                 from app/fletch/loader.cpp:15:
third_party/lk/include/kernel/vm.h:70:96: error: macro "static_assert" passed 2 arguments, but takes just 1
 STATIC_ASSERT(__offsetof(struct mmu_initial_mapping, phys) == __MMU_INITIAL_MAPPING_PHYS_OFFSET);
                                                                                                ^
third_party/lk/include/kernel/vm.h:70:1: warning: identifier 'static_assert' is a keyword in C++11 [-Wc++0x-compat]

BUG=
R=travisg@google.com

Committed: d31bd3d5efa0dc3ba8b85e274236a0d45c98b570

[travisg, 2015-12-03 23:22:17]

travisg@google.com changed reviewers:
+ travisg@google.com

[travisg, 2015-12-03 23:22:17]

lgtm

[cpu_(ooo_6.6-7.5), 2015-12-03 23:25:46]

Description was changed from

==========
[assert] Exclude static_assert macro when using C++

Macro cannot be removed because it breaks lpclink2-lpcboot and others.

Fixes errors like:
In file included from third_party/lk/include/lib/page_alloc.h:32:0,
                 from app/fletch/loader.cpp:15:
third_party/lk/include/kernel/vm.h:70:96: error: macro "static_assert" passed 2
arguments, but takes just 1
 STATIC_ASSERT(__offsetof(struct mmu_initial_mapping, phys) ==
__MMU_INITIAL_MAPPING_PHYS_OFFSET);
                                                                                
               ^
third_party/lk/include/kernel/vm.h:70:1: warning: identifier 'static_assert' is
a keyword in C++11 [-Wc++0x-compat]

BUG=
==========

to

==========
[assert] Exclude static_assert macro when using C++

Macro cannot be removed because it breaks lpclink2-lpcboot and others.

Fixes errors like:
In file included from third_party/lk/include/lib/page_alloc.h:32:0,
                 from app/fletch/loader.cpp:15:
third_party/lk/include/kernel/vm.h:70:96: error: macro "static_assert" passed 2
arguments, but takes just 1
 STATIC_ASSERT(__offsetof(struct mmu_initial_mapping, phys) ==
__MMU_INITIAL_MAPPING_PHYS_OFFSET);
                                                                                
               ^
third_party/lk/include/kernel/vm.h:70:1: warning: identifier 'static_assert' is
a keyword in C++11 [-Wc++0x-compat]

BUG=
R=travisg@google.com

Committed: d31bd3d5efa0dc3ba8b85e274236a0d45c98b570
==========

[cpu_(ooo_6.6-7.5), 2015-12-03 23:25:47]

Committed patchset #1 (id:1) manually as
d31bd3d5efa0dc3ba8b85e274236a0d45c98b570 (presubmit successful).