fix on make uninstall
fix on make uninstall

gbonnoron/fplll,shi-bai/fplll,GottfriedHerold/fplll,pfasante/fplll,shi-bai/fplll,dstehle/fplll,gbonnoron/fplll,gbonnoron/fplll,cr-marcstevens/fplll,pfasante/fplll,fplll/fplll,GottfriedHerold/fplll,blowfish880/fplll,pfasante/fplll,dstehle/fplll,malb/fplll,shi-bai/fplll,cr-marcstevens/fplll,cr-marcstevens/fplll,GottfriedHerold/fplll,fplll/fplll,fplll/fplll,cr-marcstevens/fplll,malb/fplll,fplll/fplll,malb/fplll,blowfish880/fplll,fplll/fplll,shi-bai/fplll,dstehle/fplll,blowfish880/fplll