Fix filename extension in /etc/sysconfig/ifconfig.xxx so that it matches the IFACE value. Works only with revision 11556 or later of LFS book.
Fix filename extension in /etc/sysconfig/ifconfig.xxx so that it matches
the IFACE value. Works only with revision 11556 or later of LFS book.

bryan5989/jhalfs,bryan5989/jhalfs,bryan5989/jhalfs