libxtables11: Section is libs instead of net

Move the libxtables11 package from Section 'net' to 'libs'.

Closes: #812973
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>

debian/control

@@ -34,6 +34,7 @@ Description: administration tools for packet filtering and NAT
 
 Package: libxtables11
 Architecture: linux-any
+Section: libs
 Depends: ${misc:Depends}, ${shlibs:Depends}
 Replaces: iptables (<< 1.4.16.3-3)
 Breaks: iptables (<< 1.4.16.3-3)