Compile warning in function BoatCitaParseRpcResponseStringResult

[PanHH]

Describe the bug
Compile warning in function BoatCitaParseRpcResponseStringResult

api_cita.c: In function 'BoatCitaParseRpcResponseStringResult':
api_cita.c:575:12: warning: implicit declaration of function 'cita_parse_json_result'; did you mean 'eth_parse_json_result'? [-Wimplicit-function-declaration]
     return cita_parse_json_result(json_string, "", result_out);
            ^~~~~~~~~~~~~~~~~~~~~~
            eth_parse_json_result

[Cavalierliu]

problem fixed