ipsec-tools: bump version, convert to autotools format and simplify Config.in

Closes #2035

- Remove -Werror from CFLAGS
- Always enable ipv6 support if available in toolchain
- Always install into staging

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
diff --git a/CHANGES b/CHANGES
index 3ba7195..a7fb6b3 100644
--- a/CHANGES
+++ b/CHANGES
@@ -8,8 +8,8 @@
 	luasocket, rings, wsapi, xavante
 
 	Updated/fixed packages: cdrkit, file, gawk, gstreamer, intltool,
-	iptables, libidn, lmbench, netperf, openssl, php, qt, sqlite,
-	tn5250, usbutils, xkeyboard-config
+	ipsec-tools, iptables, libidn, lmbench, netperf, openssl, php,
+	qt, sqlite, tn5250, usbutils, xkeyboard-config
 
 	Removed packages: modutils
 
@@ -31,6 +31,7 @@
 	#1957: Bump sqlite to 3.6.23.1
 	#1987: intltool: Fix spelling mistake
 	#1999: Typo in path checking
+	#2035: ipsec-tools-0.7.2 fails to build with gcc-4.4.x
 
 2010.05, Released May 30th, 2010: