process.c (timetick_int_t): Renamed from timetick_giga_count_t.
(gcd_timtick_int): Renamed from gcd_ul and make the arguments
timetick_giga_count_t.
(reduce_fraction): Make the arguments timetick_int_t.
(timetick2integer): Ditto.
(make_clock_result): Ditto.
(timetick2dblnum): Fix the return type.
(rb_clock_gettime): Use timetick_int_t.
(gcd_timtick_int): Renamed from gcd_ul and make the arguments
timetick_giga_count_t.
(reduce_fraction): Make the arguments timetick_int_t.
(timetick2integer): Ditto.
(make_clock_result): Ditto.
(timetick2dblnum): Fix the return type.
(rb_clock_gettime): Use timetick_int_t.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42668 b2dd03c8-39d4-4d8f-98ff-823fe69b080e