smatch clean rtld

@@ -717,11 +717,11 @@
                         continue;
 
                 DBG_CALL(Dbg_audit_objclose(lml, alp->al_libname, NAME(lmp)));
 
                 leave(alml, thr_flg_reenter);
-                (*alp->al_objclose)(&(acp->ac_cookie));
+                (void) (*alp->al_objclose)(&(acp->ac_cookie));
                 (void) enter(thr_flg_reenter);
         }
 }
 
 /*