git: error while loading shared libraries: libiconv.so.2

git安装之后出现:
git: error while loading shared libraries: libiconv.so.2: cannot open shared object file: No such file or directory

这是由于无法加载libiconv.so.2库文件.
解决方法:

# echo "/usr/local/lib" >> /etc/ld.so.conf
# /sbin/ldconfig