Explicitly use long with boost::posix_time

Explicitly use long with boost::posix_time

In file included from lib/base/base_unity.cpp:61:
lib/base/timer.cpp:295:31: error: no matching conversion for functional-style cast from 'double' to 'boost::posix_time::milliseconds' (aka 'subsecond_duration<boost::posix_time::time_duration, 1000>')
                        l_TimerCV.timed_wait(lock, boost::posix_time::milliseconds(wait * 1000));
                                                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from lib/remote/remote_unity.cpp:19:
lib/remote/eventqueue.cpp:111:30: error: no matching conversion for functional-style cast from 'double' to 'boost::posix_time::milliseconds' (aka 'subsecond_duration<boost::posix_time::time_duration, 1000>')
                if (!m_CV.timed_wait(lock, boost::posix_time::milliseconds(timeout * 1000)))
                                           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from lib/checker/checker_unity.cpp:1:
lib/checker/checkercomponent.cpp:128:26: error: no matching conversion for functional-style cast from 'double' to 'boost::posix_time::milliseconds' (aka 'subsecond_duration<boost::posix_time::time_duration, 1000>')
                        m_CV.timed_wait(lock, boost::posix_time::milliseconds(wait * 1000));
                                              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/local/include/boost/date_time/time_duration.hpp:270:30: note: candidate constructor (the implicit copy constructor) not viable: no known conversion from 'double' to 'const boost::date_time::subsecond_duration<boost::posix_time::time_duration, 1000>' for 1st argument
  class BOOST_SYMBOL_VISIBLE subsecond_duration : public base_duration
                             ^
/usr/local/include/boost/date_time/time_duration.hpp:270:30: note: candidate constructor (the implicit move constructor) not viable: no known conversion from 'double' to 'boost::date_time::subsecond_duration<boost::posix_time::time_duration, 1000>' for 1st argument
/usr/local/include/boost/date_time/time_duration.hpp:286:59: note: candidate template ignored: disabled by 'enable_if' [with T = double]
                                typename boost::enable_if<boost::is_integral<T>, void>::type* = 0) :
                                                          ^