auth_db: proper condition for caller id skip check flag

modules/auth_db/authorize.c

@@ -506,10 +506,10 @@ int auth_check(struct sip_msg* _m, char* _realm, char* _table, char *_flags)
 		} else {
 			uri = furi;
 		}
-		if((iflags&AUTH_CHECK_SKIPFWD_F)
+		if(!((iflags&AUTH_CHECK_SKIPFWD_F)
 				&& (_m->REQ_METHOD==METHOD_INVITE || _m->REQ_METHOD==METHOD_BYE
 					|| _m->REQ_METHOD==METHOD_PRACK || _m->REQ_METHOD==METHOD_UPDATE
-					|| _m->REQ_METHOD==METHOD_MESSAGE)) {
+					|| _m->REQ_METHOD==METHOD_MESSAGE))) {
 			if(srealm.len!=uri->user.len
 						|| strncmp(srealm.s, uri->user.s, srealm.len)!=0)
 				return AUTH_USER_MISMATCH;