libip4tc: bump SONAME from 0 to 2

The SONAME was bumped upstream. 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

@@ -23,7 +23,7 @@ Vcs-Browser: https://salsa.debian.org/pkg-netfilter-team/pkg-iptables
 Package: iptables
 Multi-Arch: foreign
 Architecture: linux-any
-Depends: libip4tc0 (=${binary:Version}),
+Depends: libip4tc2 (=${binary:Version}),
          libip6tc2 (=${binary:Version}),
          libiptc0 (=${binary:Version}),
          libxtables12 (=${binary:Version}),
@@ -135,7 +135,7 @@ Description: Development files for libiptc
  .
  This package provides development files and static libraries for libiptc.
 
-Package: libip4tc0
+Package: libip4tc2
 Priority: optional
 Multi-Arch: same
 Architecture: linux-any
@@ -159,7 +159,7 @@ Architecture: linux-any
 Multi-Arch: same
 Priority: optional
 Pre-Depends: ${misc:Pre-Depends}
-Depends: libip4tc0 (=${binary:Version}),
+Depends: libip4tc2 (=${binary:Version}),
          libiptc0 (=${binary:Version}),
          ${misc:Depends}
 Replaces: iptables-dev (<< 1.6.0-3)

debian/libip4tc0.symbols

-libip4tc.so.0 libip4tc0 #MINVER#
-* Build-Depends-Package: libip4tc-dev
- dump_entries@Base 1.6.0+snapshot20161117
- iptc_append_entry@Base 1.6.0+snapshot20161117
- iptc_builtin@Base 1.6.0+snapshot20161117
- iptc_check_entry@Base 1.6.0+snapshot20161117
- iptc_commit@Base 1.6.0+snapshot20161117
- iptc_create_chain@Base 1.6.0+snapshot20161117
- iptc_delete_chain@Base 1.6.0+snapshot20161117
- iptc_delete_entry@Base 1.6.0+snapshot20161117
- iptc_delete_num_entry@Base 1.6.0+snapshot20161117
- iptc_first_chain@Base 1.6.0+snapshot20161117
- iptc_first_rule@Base 1.6.0+snapshot20161117
- iptc_flush_entries@Base 1.6.0+snapshot20161117
- iptc_free@Base 1.6.0+snapshot20161117
- iptc_get_policy@Base 1.6.0+snapshot20161117
- iptc_get_references@Base 1.6.0+snapshot20161117
- iptc_get_target@Base 1.6.0+snapshot20161117
- iptc_init@Base 1.6.0+snapshot20161117
- iptc_insert_entry@Base 1.6.0+snapshot20161117
- iptc_is_chain@Base 1.6.0+snapshot20161117
- iptc_next_chain@Base 1.6.0+snapshot20161117
- iptc_next_rule@Base 1.6.0+snapshot20161117
- iptc_ops@Base 1.6.0+snapshot20161117
- iptc_read_counter@Base 1.6.0+snapshot20161117
- iptc_rename_chain@Base 1.6.0+snapshot20161117
- iptc_replace_entry@Base 1.6.0+snapshot20161117
- iptc_set_counter@Base 1.6.0+snapshot20161117
- iptc_set_policy@Base 1.6.0+snapshot20161117
- iptc_strerror@Base 1.6.0+snapshot20161117
- iptc_zero_counter@Base 1.6.0+snapshot20161117
- iptc_zero_entries@Base 1.6.0+snapshot20161117

debian/libip4tc2.symbols

+libip4tc.so.2 libip4tc2 #MINVER#
+ dump_entries@Base 1.8.3
+ iptc_append_entry@Base 1.8.3
+ iptc_builtin@Base 1.8.3
+ iptc_check_entry@Base 1.8.3
+ iptc_commit@Base 1.8.3
+ iptc_create_chain@Base 1.8.3
+ iptc_delete_chain@Base 1.8.3
+ iptc_delete_entry@Base 1.8.3
+ iptc_delete_num_entry@Base 1.8.3
+ iptc_first_chain@Base 1.8.3
+ iptc_first_rule@Base 1.8.3
+ iptc_flush_entries@Base 1.8.3
+ iptc_free@Base 1.8.3
+ iptc_get_policy@Base 1.8.3
+ iptc_get_references@Base 1.8.3
+ iptc_get_target@Base 1.8.3
+ iptc_init@Base 1.8.3
+ iptc_insert_entry@Base 1.8.3
+ iptc_is_chain@Base 1.8.3
+ iptc_next_chain@Base 1.8.3
+ iptc_next_rule@Base 1.8.3
+ iptc_ops@Base 1.8.3
+ iptc_read_counter@Base 1.8.3
+ iptc_rename_chain@Base 1.8.3
+ iptc_replace_entry@Base 1.8.3
+ iptc_set_counter@Base 1.8.3
+ iptc_set_policy@Base 1.8.3
+ iptc_strerror@Base 1.8.3
+ iptc_zero_counter@Base 1.8.3
+ iptc_zero_entries@Base 1.8.3