mavlink/mavlink — pull request #236 by liamstask (2014-08-12 00:44:42+00:00)
Title: mavlink_types.h: fix typo introduced in d41fe510d8cd

because this condition doesn't short circuit as expected when _MSC_VER is not defined, I get

src/mavlink/c_library/mavlink_types.h:5:27: error: "_MSC_VER" is not defined [-Werror=undef]
#if (defined _MSC_VER) & (_MSC_VER < 1800)
^