fmt: fix win32 mingw-w64 str_error
@@ -36,7 +36,7 @@ const char *str_error(int errnum, char *buf, size_t sz)
s = buf;
#endif
-#elif defined (WIN32) & !defined (__MINGW32__)
+#elif defined (WIN32)
(void)strerror_s(buf, sz, errnum);
s = buf;
#else
