sunrpc: unexport rpc_malloc() and rpc_free()

These are not used outside of sunrpc code.

Signed-off-by: Jeff Layton <[e-mail]>
Signed-off-by: Anna Schumaker <[e-mail]>

net/sunrpc/sched.c

···
 	rqst->rq_rbuffer = (char *)rqst->rq_buffer + rqst->rq_callsize;
 	return 0;
 }
-EXPORT_SYMBOL_GPL(rpc_malloc);
 
 /**
  * rpc_free - free RPC buffer resources allocated via rpc_malloc
···
 	else
 		kfree(buf);
 }
-EXPORT_SYMBOL_GPL(rpc_free);
 
 /*
  * Creation and deletion of RPC task structures