Corrected minor typo in the link to the gcc libiberty patch

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@2768 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter04/chapter04.xml

@@ -255,7 +255,7 @@ GCC No Fixincludes Patch:
 GCC Specs Patch:
 <ulink url="&http;/gcc-3.3.1-specs-1.patch"/>
 GCC Suppress Libiberty Patch:
-<ulink url="&http;/gcc-3-3-1-suppress-libiberty.patch"/>
+<ulink url="&http;/gcc-3.3.1-suppress-libiberty.patch"/>
 
 Glibc Sscanf Patch:
 <ulink url="&http;/glibc-2.3.2-sscanf-1.patch"/>