Closes gabime/spdlog#74
@ -282,7 +282,7 @@ inline int utc_minutes_offset(const std::tm &tm = details::os::localtime())
return offset;
#else
#if defined(sun) || defined(__sun)
#if defined(sun) || defined(__sun) || defined(_AIX)
// 'tm_gmtoff' field is BSD extension and it's missing on SunOS/Solaris
struct helper
{