[source] iptables: set ABI_VERSION to force rebuild of dependent packages

[LEDE Commits]

nbd pushed a commit to source.git, branch master:
https://git.lede-project.org/5e2d15b4a6fc979497b252c617c4b353d6c84fa2

commit 5e2d15b4a6fc979497b252c617c4b353d6c84fa2
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Fri Apr 7 13:20:11 2017 +0200

    iptables: set ABI_VERSION to force rebuild of dependent packages
    
    Signed-off-by: Felix Fietkau <nbd at nbd.name>
---
 package/network/utils/iptables/Makefile | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/package/network/utils/iptables/Makefile b/package/network/utils/iptables/Makefile
index 2fef0ab..ae2377e 100644
--- a/package/network/utils/iptables/Makefile
+++ b/package/network/utils/iptables/Makefile
@@ -402,6 +402,7 @@ $(call Package/iptables/Default)
   SECTION:=libs
   CATEGORY:=Libraries
   DEPENDS:=+libip4tc +libip6tc +libxtables
+  ABI_VERSION:=$(PKG_VERSION)
   TITLE:=IPv4/IPv6 firewall - shared libiptc library (compatibility stub)
 endef
 
@@ -410,6 +411,7 @@ $(call Package/iptables/Default)
   SECTION:=libs
   CATEGORY:=Libraries
   TITLE:=IPv4 firewall - shared libiptc library
+  ABI_VERSION:=$(PKG_VERSION)
   DEPENDS:=+libxtables
 endef
 
@@ -418,6 +420,7 @@ $(call Package/iptables/Default)
   SECTION:=libs
   CATEGORY:=Libraries
   TITLE:=IPv6 firewall - shared libiptc library
+  ABI_VERSION:=$(PKG_VERSION)
   DEPENDS:=+libxtables
 endef
 
@@ -426,6 +429,7 @@ define Package/libxtables
  SECTION:=libs
  CATEGORY:=Libraries
  TITLE:=IPv4/IPv6 firewall - shared xtables library
+ ABI_VERSION:=$(PKG_VERSION)
  DEPENDS:= \
 	+IPTABLES_CONNLABEL:libnetfilter-conntrack \
 	+IPTABLES_NFTABLES:libnfnetlink