Updated the text in the Chapter 6 MPFR instructions to include the number of tests in the test suite that should pass

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@8657 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter06/mpfr.xml

@@ -54,7 +54,7 @@
       Do not skip it under any circumstances.</para>
     </important>
 
-    <para>Test the results:</para>
+    <para>Test the results and ensure that all 134 tests passed:</para>
 
 <screen><userinput remap="test">make check</userinput></screen>