Fix meson sed

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@11709 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter06/meson.xml

@@ -42,7 +42,7 @@
 
     <para>Apply a fix from upstream to fix a regression:</para>
 
-<screen><userinput remap="pre">sed -i "s@isfile(f)@&amp; and not f.startswith('/dev')@" mesonbuild/interpreter.py</userinput></screen>
+<screen><userinput remap="pre">sed -i "s@isfile(a)@&amp; and not a.startswith('/dev')@" mesonbuild/interpreter.py</userinput></screen>
 
     <para>Compile Meson with the following command:</para>