gtest: Fix warnings on MinGW.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115945 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/unittest/googletest/gtest.cc b/utils/unittest/googletest/gtest.cc
index 6e291ae..51732af 100644
--- a/utils/unittest/googletest/gtest.cc
+++ b/utils/unittest/googletest/gtest.cc
@@ -1964,8 +1964,8 @@
 
 }  // namespace internal
 
-#if GTEST_OS_WINDOWS
-// We are on Windows.
+#if GTEST_HAS_SEH
+// We are on Windows with SEH.
 
 // Adds an "exception thrown" fatal failure to the current test.
 static void AddExceptionThrownFailure(DWORD exception_code,
@@ -1978,7 +1978,7 @@
                                            message.GetString());
 }
 
-#endif  // GTEST_OS_WINDOWS
+#endif  // GTEST_HAS_SEH
 
 // Google Test requires all tests in the same test case to use the same test
 // fixture class.  This function checks if the current test has the