the second is for the rest of time declarations in mysys.


include/my_time.h:
  New declarations moved from mysql_time.h
include/mysql_time.h:
  New declarations moved to my_time.h.
sql/tztime.cc:
  Enforcing Monty's approach to header files.
sql/tztime.h:
  Enforcing Monty's approach to header files: everything is included in
  one place.