update install.sh

Author: chxuan

install.sh

@@ -90,7 +90,7 @@ function compile_vim_on_debian()
 
     sudo apt-get install -y libncurses5-dev libgtk2.0-dev libatk1.0-dev libcairo2-dev libx11-dev libxpm-dev libxt-dev python-dev python3-dev ruby-dev lua5.1 lua5.1-dev
 
-    sudo ln -s /lib/x86_64-linux-gnu/libtinfo.so.6 /usr/lib/libtinfo.so.5
+    sudo ln -s /lib/x86_64-linux-gnu/libtinfo.so.6 /lib/x86_64-linux-gnu/libtinfo.so.5
 
     git clone https://gitee.com/chxuan/vim81.git ~/vim81
     cd ~/vim81