secsipid_proc: added SecSIPIDGetIdentityPrvKey to api

src/modules/secsipid_proc/secsipid_proc_mod.c

@@ -39,6 +39,7 @@ int secsipid_proc_bind(secsipid_papi_t *papi)
 {
 	papi->SecSIPIDSignJSONHP = SecSIPIDSignJSONHP;
 	papi->SecSIPIDGetIdentity = SecSIPIDGetIdentity;
+	papi->SecSIPIDGetIdentityPrvKey = SecSIPIDGetIdentityPrvKey;
 	papi->SecSIPIDCheck = SecSIPIDCheck;
 	papi->SecSIPIDCheckFull = SecSIPIDCheckFull;
 	papi->SecSIPIDCheckFullPubKey = SecSIPIDCheckFullPubKey;