Changed the static version reference to &vim-version;

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@714 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter06/vim-inst.xml

@@ -11,7 +11,7 @@ url="http://archive.linuxfromscratch.org/lfs-hints/editors/">http://archive.linu
 
 <para>
 Both the vim-rt and vim-src packages need to be unpacked to install Vim.
-Both packages will unpack their files into the vim-5.7 directory. This
+Both packages will unpack their files into the vim-&vim-version; directory. This
 won't overwrite any files from the other package. So it doesn't matter
 in which order it is done. Install Vim by running the following commands:
 </para>