Fixing netfilter/iptables_*.sh scripts for new ifconfig output format

see http://miniupnp.tuxfamily.org/forum/viewtopic.php?p=2623

miniupnpd/Changelog.txt

@@ -1,5 +1,8 @@
 $Id: Changelog.txt,v 1.242 2011/11/18 11:21:20 nanard Exp $
 
+2012/01/02:
+  Fixing netfilter/iptables_*.sh scripts for new ifconfig output format.
+
 2011/11/18:
   avoid infinite loop in SendResp_upnphttp() in case of error
   Replaced SendResp_upnphttp() + CloseSocket_upnphttp() by 

miniupnpd/netfilter/iptables_init.sh

@@ -4,7 +4,7 @@ IPTABLES=/sbin/iptables
 
 #change this parameters :
 EXTIF=eth0
-EXTIP="`LC_ALL=C /sbin/ifconfig $EXTIF | grep 'inet addr' | awk '{print $2}' | sed -e 's/.*://'`"
+EXTIP="`LC_ALL=C /sbin/ifconfig $EXTIF | grep 'inet ' | awk '{print $2}' | sed -e 's/.*://'`"
 echo "External IP = $EXTIP"
 
 #adding the MINIUPNPD chain for nat

miniupnpd/netfilter/iptables_init_and_clean.sh

@@ -5,7 +5,7 @@
 
 EXTIF=eth0
 IPTABLES=/sbin/iptables
-EXTIP="`LC_ALL=C /sbin/ifconfig $EXTIF | grep 'inet addr' | awk '{print $2}' | sed -e 's/.*://'`"
+EXTIP="`LC_ALL=C /sbin/ifconfig $EXTIF | grep 'inet ' | awk '{print $2}' | sed -e 's/.*://'`"
 NDIRTY="`LC_ALL=C /sbin/iptables -t nat -L -n | grep 'MINIUPNPD' | awk '{printf $1}'`"
 FDIRTY="`LC_ALL=C /sbin/iptables -t filter -L -n | grep 'MINIUPNPD' | awk '{printf $1}'`"
 echo "External IP = $EXTIP"

miniupnpd/netfilter/iptables_removeall.sh

@@ -4,7 +4,7 @@ IPTABLES=/sbin/iptables
 
 #change this parameters :
 EXTIF=eth0
-EXTIP="`LC_ALL=C /sbin/ifconfig $EXTIF | grep 'inet addr' | awk '{print $2}' | sed -e 's/.*://'`"
+EXTIP="`LC_ALL=C /sbin/ifconfig $EXTIF | grep 'inet ' | awk '{print $2}' | sed -e 's/.*://'`"
 
 #removing the MINIUPNPD chain for nat
 $IPTABLES -t nat -F MINIUPNPD