Patches gtest to not override a manually set GTEST_HAS_DEATH_TEST com…

…piler define.

This compiler define can be manually set by the user
to disable gtest's death tests on unsupported platforms.

thirdparty_builtin/googletest-release-1.8.0/googletest/include/gtest/internal/gtest-port.h

@@ -783,15 +783,17 @@ using ::std::tuple_size;
 #endif  // GTEST_HAS_STREAM_REDIRECTION
 
 // Determines whether to support death tests.
+#ifndef GTEST_HAS_DEATH_TEST
 // Google Test does not support death tests for VC 7.1 and earlier as
 // abort() in a VC 7.1 application compiled as GUI in debug config
 // pops up a dialog window that cannot be suppressed programmatically.
-#if (GTEST_OS_LINUX || GTEST_OS_CYGWIN || GTEST_OS_SOLARIS || \
+# if (GTEST_OS_LINUX || GTEST_OS_CYGWIN || GTEST_OS_SOLARIS || \
      (GTEST_OS_MAC && !GTEST_OS_IOS) || \
      (GTEST_OS_WINDOWS_DESKTOP && _MSC_VER >= 1400) || \
      GTEST_OS_WINDOWS_MINGW || GTEST_OS_AIX || GTEST_OS_HPUX || \
      GTEST_OS_OPENBSD || GTEST_OS_QNX || GTEST_OS_FREEBSD)
-# define GTEST_HAS_DEATH_TEST 1
+#  define GTEST_HAS_DEATH_TEST 1
+# endif
 #endif
 
 // We don't support MSVC 7.1 with exceptions disabled now.  Therefore