bond: fix build on 32-bit Oracle Linux 6.4

bond: fix build on 32-bit Oracle Linux 6.4

The compile error on 32 bits Oracle Linux 6.4 is as below.

Kernel: 2.6.39
GCC: 4.4.7 20120313

In file included from /usr/include/stdlib.h:320,
from i686-native-linuxapp-gcc/include/rte_mempool.h:63,
from i686-native-linuxapp-gcc/include/rte_mbuf.h:61,
from lib/librte_pmd_bond/rte_eth_bond_api.c:37:
/usr/include/sys/types.h:61: error: conflicting types for dev_t
/usr/include/linux/types.h:22: note: previous declaration of dev_t was here
/usr/include/sys/types.h:66: error: conflicting types for gid_t
/usr/include/linux/types.h:52: note: previous declaration of gid_t was here
/usr/include/sys/types.h:71: error: conflicting types for mode_t
/usr/include/linux/types.h:24: note: previous declaration of mode_t was here
/usr/include/sys/types.h:76: error: conflicting types for nlink_t
/usr/include/linux/types.h:25: note: previous declaration of nlink_t was here
/usr/include/sys/types.h:81: error: conflicting types for uid_t
/usr/include/linux/types.h:51: note: previous declaration of uid_t was here

Signed-off-by: Helin Zhang <helin.zhang@intel.com>
Acked-by: Cunming Liang <cunming.liang@intel.com>