mssing headers for death tests

Author: uzairnawaz

libc/test/src/__support/wchar/wcsnrtombs_test.cpp

@@ -10,6 +10,7 @@
 #include "hdr/types/size_t.h"
 #include "hdr/types/wchar_t.h"
 #include "src/__support/error_or.h"
+#include "src/__support/macros/null_check.h"
 #include "src/__support/wchar/mbstate.h"
 #include "src/__support/wchar/wcsnrtombs.h"
 #include "test/UnitTest/Test.h"
@@ -197,4 +198,4 @@ TEST(LlvmLibcWcsnrtombs, NullSrc) {
         LIBC_NAMESPACE::internal::wcsnrtombs(mbs, nullptr, 1, 1, &state);
       },
       WITH_SIGNAL(-1));
-}
+}

libc/test/src/wchar/wcsnrtombs_test.cpp

@@ -7,6 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "hdr/types/mbstate_t.h"
+#include "src/__support/macros/null_check.h"
 #include "src/string/memset.h"
 #include "src/wchar/wcsnrtombs.h"
 #include "test/UnitTest/ErrnoCheckingTest.h"

libc/test/src/wchar/wcsrtombs_test.cpp

@@ -7,6 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "hdr/types/mbstate_t.h"
+#include "src/__support/macros/null_check.h"
 #include "src/string/memset.h"
 #include "src/wchar/wcsrtombs.h"
 #include "test/UnitTest/ErrnoCheckingTest.h"