libip6tc: bump SONAME from 0 to 2

The SONAME was bumped. Adjust all the files to reflect this.

Related upstream change:
 libiptc: Extend struct xtc_ops (341279e09071de01a06bde6cf988d5ec671fe0d1)
 https://git.netfilter.org/iptables/commit/?id=341279e09071de01a06bde6cf988d5ec671fe0d1

Signed-off-by: Arturo Borrero Gonzalez <arturo@debian.org>

debian/control

@@ -24,7 +24,7 @@ Package: iptables
 Multi-Arch: foreign
 Architecture: linux-any
 Depends: libip4tc0 (=${binary:Version}),
-         libip6tc0 (=${binary:Version}),
+         libip6tc2 (=${binary:Version}),
          libiptc0 (=${binary:Version}),
          libxtables12 (=${binary:Version}),
          ${misc:Depends},
@@ -171,7 +171,7 @@ Description: Development files for libip4tc
  .
  This package provides development files and static libraries for libip4tc.
 
-Package: libip6tc0
+Package: libip6tc2
 Priority: optional
 Multi-Arch: same
 Architecture: linux-any
@@ -195,7 +195,7 @@ Architecture: linux-any
 Multi-Arch: same
 Priority: optional
 Pre-Depends: ${misc:Pre-Depends}
-Depends: libip6tc0 (=${binary:Version}),
+Depends: libip6tc2 (=${binary:Version}),
          libiptc0 (=${binary:Version}),
          ${misc:Depends}
 Replaces: iptables-dev (<< 1.6.0-3)

debian/libip6tc0.symbols

-libip6tc.so.0 libip6tc0 #MINVER#
-* Build-Depends-Package: libip6tc-dev
- dump_entries6@Base 1.6.0+snapshot20161117
- ip6tc_append_entry@Base 1.6.0+snapshot20161117
- ip6tc_builtin@Base 1.6.0+snapshot20161117
- ip6tc_check_entry@Base 1.6.0+snapshot20161117
- ip6tc_commit@Base 1.6.0+snapshot20161117
- ip6tc_create_chain@Base 1.6.0+snapshot20161117
- ip6tc_delete_chain@Base 1.6.0+snapshot20161117
- ip6tc_delete_entry@Base 1.6.0+snapshot20161117
- ip6tc_delete_num_entry@Base 1.6.0+snapshot20161117
- ip6tc_first_chain@Base 1.6.0+snapshot20161117
- ip6tc_first_rule@Base 1.6.0+snapshot20161117
- ip6tc_flush_entries@Base 1.6.0+snapshot20161117
- ip6tc_free@Base 1.6.0+snapshot20161117
- ip6tc_get_policy@Base 1.6.0+snapshot20161117
- ip6tc_get_references@Base 1.6.0+snapshot20161117
- ip6tc_get_target@Base 1.6.0+snapshot20161117
- ip6tc_init@Base 1.6.0+snapshot20161117
- ip6tc_insert_entry@Base 1.6.0+snapshot20161117
- ip6tc_is_chain@Base 1.6.0+snapshot20161117
- ip6tc_next_chain@Base 1.6.0+snapshot20161117
- ip6tc_next_rule@Base 1.6.0+snapshot20161117
- ip6tc_ops@Base 1.6.0+snapshot20161117
- ip6tc_read_counter@Base 1.6.0+snapshot20161117
- ip6tc_rename_chain@Base 1.6.0+snapshot20161117
- ip6tc_replace_entry@Base 1.6.0+snapshot20161117
- ip6tc_set_counter@Base 1.6.0+snapshot20161117
- ip6tc_set_policy@Base 1.6.0+snapshot2016111
- ip6tc_strerror@Base 1.6.0+snapshot20161117
- ip6tc_zero_counter@Base 1.6.0+snapshot20161117
- ip6tc_zero_entries@Base 1.6.0+snapshot20161117

debian/libip6tc2.symbols

+libip6tc.so.2 libip6tc2 #MINVER#
+ dump_entries6@Base 1.8.3
+ ip6tc_append_entry@Base 1.8.3
+ ip6tc_builtin@Base 1.8.3
+ ip6tc_check_entry@Base 1.8.3
+ ip6tc_commit@Base 1.8.3
+ ip6tc_create_chain@Base 1.8.3
+ ip6tc_delete_chain@Base 1.8.3
+ ip6tc_delete_entry@Base 1.8.3
+ ip6tc_delete_num_entry@Base 1.8.3
+ ip6tc_first_chain@Base 1.8.3
+ ip6tc_first_rule@Base 1.8.3
+ ip6tc_flush_entries@Base 1.8.3
+ ip6tc_free@Base 1.8.3
+ ip6tc_get_policy@Base 1.8.3
+ ip6tc_get_references@Base 1.8.3
+ ip6tc_get_target@Base 1.8.3
+ ip6tc_init@Base 1.8.3
+ ip6tc_insert_entry@Base 1.8.3
+ ip6tc_is_chain@Base 1.8.3
+ ip6tc_next_chain@Base 1.8.3
+ ip6tc_next_rule@Base 1.8.3
+ ip6tc_ops@Base 1.8.3
+ ip6tc_read_counter@Base 1.8.3
+ ip6tc_rename_chain@Base 1.8.3
+ ip6tc_replace_entry@Base 1.8.3
+ ip6tc_set_counter@Base 1.8.3
+ ip6tc_set_policy@Base 1.8.3
+ ip6tc_strerror@Base 1.8.3
+ ip6tc_zero_counter@Base 1.8.3
+ ip6tc_zero_entries@Base 1.8.3