Enable IPv6 support by default

git-svn-id: https://znc.svn.sourceforge.net/svnroot/znc/trunk@1270 726aef4b-f618-498e-8847-2d620e286838

configure

@@ -1224,7 +1224,7 @@ Optional Features:
   --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
   --enable-debug          enable debuging
-  --enable-ipv6           enable ipv6 support
+  --disable-ipv6          disable ipv6 support
   --disable-modules       disable modules
   --disable-openssl       disable openssl
   --disable-perl          disable perl
@@ -2487,7 +2487,7 @@ fi
 if test "${enable_ipv6+set}" = set; then
   enableval=$enable_ipv6; IPV6="$enableval"
 else
-  IPV6="no"
+  IPV6="yes"
 fi
 
 # Check whether --enable-modules was given.

configure.in

@@ -75,9 +75,9 @@ AC_ARG_ENABLE( [debug],
 	[DEBUG="$enableval"],
 	[DEBUG="no"])
 AC_ARG_ENABLE( [ipv6],
-	AS_HELP_STRING([--enable-ipv6], [enable ipv6 support]),
+	AS_HELP_STRING([--disable-ipv6], [disable ipv6 support]),
 	[IPV6="$enableval"],
-	[IPV6="no"])
+	[IPV6="yes"])
 AC_ARG_ENABLE( [modules],
 	AS_HELP_STRING([--disable-modules], [disable modules]),
 	[MODULES="$enableval"],