fix include issue for linux.
#ifndef XDAG_RPC_WRAPPER_H
#define XDAG_RPC_WRAPPER_H
-extern int rpc_call_dnet_command(const char *method, const char *params, char **result);
+extern void rpc_call_dnet_command(const char *method, const char *params, char **result);
#endif //XDAG_TERMINAL_H
