Fix some warnings from pvs-studio

src/solaris.c

@@ -69,14 +69,14 @@ set_project(struct passwd *pw)
 	case SETPROJ_ERR_TASK:
 	    switch (errno) {
 	    case EAGAIN:
-		sudo_warnx(U_("resource control limit has been reached"));
+		sudo_warnx("%s", U_("resource control limit has been reached"));
 		break;
 	    case ESRCH:
 		sudo_warnx(U_("user \"%s\" is not a member of project \"%s\""),
 		    pw->pw_name, proj.pj_name);
 		break;
 	    case EACCES:
-		sudo_warnx(U_("the invoking task is final"));
+		sudo_warnx("%s", U_("the invoking task is final"));
 		break;
 	    default:
 		sudo_warnx(U_("could not join project \"%s\""), proj.pj_name);