Minor typo fix

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@11647 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter02/hostreqs.xml

@@ -66,7 +66,7 @@
       必须是到 gawk 的链接)</para>
     </listitem>
 
-    <!-- glibc-2.30 requires bcc-6.2 or later -->
+    <!-- glibc-2.30 requires gcc-6.2 or later -->
     <listitem>
       <para><emphasis role="strong">GCC-6.2</emphasis> 包括 C++
       编译器, <command>g++</command> (比 &gcc-version; 更新的版本未经测试，