Fix rpc_get_type_name() on shmem type.
Fix rpc_get_type_name() on shmem type.

twoporeguys/librpc,twoporeguys/librpc,twoporeguys/librpc,twoporeguys/librpc,twoporeguys/librpc,twoporeguys/librpc,twoporeguys/librpc,twoporeguys/librpc