Fixed patch file names (gzip -> sh-utils)

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@558 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter04/shellutils-patch.xml

@@ -1,6 +1,6 @@
 Shellutils Patch (&sh-utils-version;) 1 KB:
 <ulink url="&ftp;/sh-utils-&sh-utils-version;.patch.bz2">
-&ftp;/gzip-&sh-utils-version;.patch.bz2</ulink>
+&ftp;/sh-utils-&sh-utils-version;.patch.bz2</ulink>
 <ulink url="&http;/sh-utils-&sh-utils-version;.patch.bz2">
-&http;/gzip-&sh-utils-version;.patch.bz2</ulink>
+&http;/sh-utils-&sh-utils-version;.patch.bz2</ulink>