iptables: upgrade to 1.4.12.2

This patch is to upgrade iptables to 1.4.12.2, and introduce a patch not to check unknown symbols.
Otherwise, when it is compiled, it will report "libxtables.so.7" from LD_PRELOAD cannot be preloaded.

(From OE-Core rev: 27ed7024cf2ee9c9f84246fd931bc390cb638851)

Signed-off-by: Shane Wang <shane.wang@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-extended/iptables/iptables/GNUmakefile.patch

@@ -0,0 +1,18 @@
+Don't check unknown symbols.
+
+Signed-off-by: Shane Wang <shane.wang@intel.com>
+
+Upstream-Status: Inappropriate [configuration]
+
+diff -r abb89394ce0c extensions/GNUmakefile.in
+--- a/extensions/GNUmakefile.in	Mon Jan 23 00:12:27 2012 +0800
++++ b/extensions/GNUmakefile.in	Mon Jan 23 00:38:32 2012 +0800
+@@ -68,7 +68,7 @@
+ 
+ .PHONY: all install clean distclean FORCE
+ 
+-all: ${targets} check
++all: ${targets}
+ 
+ check: ${targets}
+ 	@echo "  CHECK    unknown symbols in .so files"; \

meta/recipes-extended/iptables/iptables_1.4.12.2.bb

@@ -21,10 +21,11 @@ RRECOMMENDS_${PN} = "kernel-module-x-tables \
 FILES_${PN} =+ "${libdir}/xtables/"
 FILES_${PN}-dbg =+ "${libdir}/xtables/.debug"
 
-SRC_URI = "http://netfilter.org/projects/iptables/files/iptables-${PV}.tar.bz2"
+SRC_URI = "http://netfilter.org/projects/iptables/files/iptables-${PV}.tar.bz2 \
+           file://GNUmakefile.patch"
 
-SRC_URI[md5sum] = "b08a1195ec2c1ebeaf072db3c55fdf43"
-SRC_URI[sha256sum] = "77e6581f21f15946a814fa311236e5f3f7c6593180f9d695cea06aa95e464aba"
+SRC_URI[md5sum] = "212112389c7f10c72efb31a4ed193a4c"
+SRC_URI[sha256sum] = "09fff7dfe6af95675474fd5d0fc67622fac5a0f3d6e02ee614deae9a2e5dae13"
 
 inherit autotools