Remove more bashisms in scripts

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@10104 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

bootscripts/lfs/init.d/console

@@ -32,7 +32,7 @@
 # Native English speakers probably don't have /etc/sysconfig/console at all
 [ -r /etc/sysconfig/console ] && . /etc/sysconfig/console
 
-function is_true() 
+is_true() 
 {
    [ "$1" = "1" ] || [ "$1" = "yes" ] || [ "$1" = "true" ]
 }

bootscripts/lfs/lib/services/ipv4-static

@@ -42,7 +42,7 @@ fi
 
 case "${2}" in
    up)
-      if [ "$(ip addr show ${1} 2>/dev/null | grep ${IP}/)" == "" ]; then
+      if [ "$(ip addr show ${1} 2>/dev/null | grep ${IP}/)" = "" ]; then
          
          # Cosmetic output not needed for multiple services
          if ! $(echo ${SERVICE} | grep -q " "); then