When running ARM EABI binaries on x86_64, the target_eabi_flock64
structure is already padded correct so the padding is not needed.
This patch adds an #ifdef to only include the _pad member on 32-but
hosts.


                                 Stuart

Stuart R. Anderson                               anderson@netsweng.com
Network & Software Engineering                   http://www.netsweng.com/
1024D/37A79149:                                  0791 D3B8 9A4C 2CDC A31F
                                                  BD03 0A62 E534 37A7 9149