mempool: fix symbol export
mempool: fix symbol export

Every new symbols in release 16.07 are exported with the version
string DPDK_16.07.
Also remove the empty local: section which is not needed because
inherited from the DPDK_2.0 block.

Signed-off-by: Thomas Monjalon <ee2fa8b2681c737f775687e475dcbf2028a412f1@6wind.com>
Acked-by: Olivier Matz <dfcc1510895413197abb4336e39bb0a3906cba71@6wind.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk