erase tail chars when updating xmake
erase tail chars when updating xmake

tboox/xmake,tboox/xmake,waruqi/xmake,waruqi/xmake,tboox/xmake,waruqi/xmake,waruqi/xmake,tboox/xmake,tboox/xmake,waruqi/xmake,tboox/xmake,waruqi/xmake,waruqi/xmake,tboox/xmake