* c_ustime.c: Remove various things missed in 1-2-2-branch MacOS

	* c_ustime.c: Remove various things missed in 1-2-2-branch MacOS
	microseconds timer removal.

	* c_ustime.c: punted the accurate microseconds timing code because it
	wasn't so accurate after all.
	[pullup from 1-2-2-branch]

	* init_os_ctx.c: Add CoreServices.h before k5-int.h so we don't get
	multiple definitions for FSSpec.  Also removed an unused variable in
	Mac OS X code and added casts for Mac OS X code so FSSpecs are cast
	to profile file types (code deals properly on the other side)

	* timeofday.c: Added casts to remove warnings

	* ccdefname.c, init_os_ctx.c, timeofday.c: Updated Mac OS X
	headers to new framework layout and updated Mac OS macros

	* read_pwd.c: Removed #defines for Mac OS X (__MACH__) because we
	now export krb5_read_password on Mac OS X

	[pullups from 1-2-2-branch]

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@14559 dc483132-0cff-0310-8789-dd5450dbe970