更正 curl 命令参数

Author: Sherry520

book/10-git-internals/sections/maintenance.asc

@@ -197,7 +197,7 @@ Git 有很多很棒的功能，但是其中一个特性会导致问题，`git cl
 
 [source,console]
 ----
-$ curl https://www.kernel.org/pub/software/scm/git/git-2.1.0.tar.gz > git.tgz
+$ curl -L https://www.kernel.org/pub/software/scm/git/git-2.1.0.tar.gz > git.tgz
 $ git add git.tgz
 $ git commit -m 'add git tarball'
 [master 7b30847] add git tarball