修复编译错误

src/tsg_rule.cpp

@@ -1483,7 +1483,7 @@ int tsg_get_method_id(char *method)
 	return -1;
 }
 
-int tsg_get_fqdn_category_id(Maat_feather_t maat_feather, char *fqdn, int *category_id, int category_id_num, void *logger, int thread_seq)
+int tsg_get_fqdn_category_id(Maat_feather_t maat_feather, char *fqdn, unsigned int *category_id, int category_id_num, void *logger, int thread_seq)
 {
 	int i=0,ret=0;
 	struct _fqdn_category_t *ex_data_array[8]={0};