* src/m68k/ffi.c (ffi_prep_incoming_args_SYSV,
	ffi_closure_SYSV_inner,ffi_prep_closure): New, add closure support.
	* src/m68k/sysv.S(ffi_closure_SYSV,ffi_closure_struct_SYSV): Likewise.
	* src/m68k/ffitarget.h (FFI_TRAMPOLINE_SIZE): Likewise.
	(FFI_CLOSURES): Enable closure support.

From-SVN: r124601