[Patch] libffi: Fix broken return_ul.c test.

[Andrew Haley]

David Daney writes:
 > The return_ul.c test is failing for mips64 n32 ABI.  The problem is that 
 > the return value location was too small and was overflowing into 
 > adjacent memory.
 > 
 > According to the libffi README, return values must be at least as large 
 > as ffi_arg, so that is what I used.
 > 
 > Tested on x86_64-pc-linux-gnu and mips64-linux-gnu.
 > 
 > OK to commit?
 > 
 > 2007-08-01  David Daney  <ddaney@avtrex.com>
 > 
 >     * testsuite/libffi.call/return_ul.c (main): Define return type as
 >     ffi_arg.  Use proper printf conversion specifier.

Yeah, of course.

Andrew.