Missing include in gtest-extra.h?

[FatihBAKIR]

Building fmt with clang-cl currently fails for me with this error:

test/gtest-extra.h(128,49): error: use of undeclared identifier '_CRT_ASSERT'
  128 |         original_report_mode_(_CrtSetReportMode(_CRT_ASSERT, 0)) {}
      |                                                 ^
test/gtest-extra.h(131,23): error: use of undeclared identifier '_CRT_ASSERT'
  131 |     _CrtSetReportMode(_CRT_ASSERT, original_report_mode_);
      |                       ^
2 errors generated.

I see we have

#ifdef _MSC_VER
#  include <crtdbg.h>
#endif

in test/test-main.cc but no such include in format-test.cc.

Adding the include to gtest-extra.h fixes the problem