Fixes to binutils chap6 tests.

git-svn-id: http://svn.linuxfromscratch.org/LFS/branches/systemd/BOOK@10719 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter06/binutils.xml

@@ -118,10 +118,7 @@ cd ../binutils-build</userinput></screen>
 
     <para>Test the results:</para>
 
-<screen><userinput remap="test">make check</userinput></screen>
-
-    <para>Six tests in the lto.exp testsuite are known to fail due
-    to changes in the most recent version of gcc.</para>
+<screen><userinput remap="test">make -k check</userinput></screen>
 
     <para>Install the package:</para>