Fix Perl-5.8.8 to build with GCC-4.2.1. Have makedepend.SH check for 'command-line' as well as 'command line'.
git-svn-id: http://svn.linuxfromscratch.org/LFS/branches/jh/BOOK@8291 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689