* adaint.h, adaint.c (__gnat_is_cross_compiler): New constant.
	(Gnat_Install_Locks, __gnatlib_install_locks): Removed, no longer used.
	(convert_address): Update comments and list of platforms using this.

	* s-tasini.adb (Gnat_Install_Locks, __gnatlib_install_locks): Removed,
	no longer used.

From-SVN: r106957