解决升级系统导致的 curl: (48) An unknown option was passed in to libcurl

早上吧debian7更新到debian8就出现这样的问题了

curl -fsS https://dlang.org/install.sh | bash -s dmd
curl: (48) An unknown option was passed in to libcurl

解决办法也很简单，更新一下软连接就能解决（究竟为啥那我就不知道了）

ln -s /usr/bin/curl /usr/local/bin/curl

解决办法来自爆栈
http://stackoverflow.com/questions/11678085/curl-48-an-unknown-option-was-passed-in-to-libcurl