math: fix typo in macro

MAJOR was misspelt as NAJOR.  Fix the spelling.

llvm-svn: 295510
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 2d014f8106f1f24e621b4b9bd62bbd202fe5fbd4
diff --git a/include/math.h b/include/math.h
index 54fd6f7..4644dd2 100644
--- a/include/math.h
+++ b/include/math.h
@@ -1020,7 +1020,7 @@
     return ::copysign((__result_type)__lcpp_x, (__result_type)__lcpp_y);
 }
 
-#if !(defined(_LIBCPP_MSVCRT) && ((_VC_CRT_NAJOR_VERSION-0) < 14))
+#if !(defined(_LIBCPP_MSVCRT) && ((_VC_CRT_MAJOR_VERSION-0) < 14))
 
 // erf
 
@@ -1404,7 +1404,7 @@
 typename std::enable_if<std::is_integral<_A1>::value, double>::type
 trunc(_A1 __lcpp_x) _NOEXCEPT {return ::trunc((double)__lcpp_x);}
 
-#endif // !(defined(_LIBCPP_MSVCRT) && ((_VC_CRT_NAJOR_VERSION-0) < 14))
+#endif // !(defined(_LIBCPP_MSVCRT) && ((_VC_CRT_MAJOR_VERSION-0) < 14))
 
 } // extern "C++"