changed static explanation

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@989 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter05/mawk-exp.xml

@@ -1,10 +1,8 @@
 <sect2>
 <title>Command explanations</title>
 
-<para><userinput>sed ... Makefile | make -f ... </userinput> This
-construct is used to make mawk accept the LDFLAGS variable which we then
-pass to it as part of the make command.  This is used to build mawk
-statically.</para>
+<para><userinput>make CC="gcc -static"</userinput> This
+is used to build mawk statically.</para>
 
 </sect2>