* src/java_raw_api.c (ffi_java_raw_to_ptrarray): Interpret
	raw data as _Jv_word values, not ffi_raw.
	(ffi_java_ptrarray_to_raw): Likewise.
	(ffi_java_rvalue_to_raw): New function.
	(ffi_java_raw_call): Call it.
	(ffi_java_raw_to_rvalue): New function.
	(ffi_java_translate_args): Call it.
	* src/ffitest.c (closure_test_fn): Interpret return value
	as ffi_arg, not int.
	* src/s390/ffi.c (ffi_prep_cif_machdep): Add missing
	FFI_TYPE_POINTER case.
	(ffi_closure_helper_SYSV): Likewise.  Also, assume return
	values extended to word size.

From-SVN: r57926