socat: fix compile erorr against 3.17+ kernel headers

With the linux 3.17 kernel socat's configure detects the wrong include
for errqueue.h which results in a compilation error.

By backporting the gentoo patch from:

  http://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/net-misc/socat/files/socat-1.7.2.4-linux-3.17.patch

Fixes the build issue

(From OE-Core rev: ad83184721be815c6589b53dcf0b469f7fee5c41)

Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-connectivity/socat/socat/socat-1.7.2.4-linux-3.17.patch

@@ -0,0 +1,29 @@
+socat: fix compile erorr against 3.17+ kernel headers
+
+With the linux 3.17 kernel socat's configure detects the wrong include for errqueue.h
+which results in a compilation error.
+
+By backporting the gentoo patch from:
+
+  http://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/net-misc/socat/files/socat-1.7.2.4-linux-3.17.patch
+
+Fixes the build issue
+
+Upstream-status: backport
+
+Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
+
+--- a/configure.in
++++ b/configure.in
+@@ -80,7 +80,10 @@
+ AC_CHECK_HEADERS(termios.h linux/if_tun.h)
+ AC_CHECK_HEADERS(net/if_dl.h)
+ AC_CHECK_HEADERS(linux/types.h)
+-AC_CHECK_HEADER(linux/errqueue.h, AC_DEFINE(HAVE_LINUX_ERRQUEUE_H), [], [#include <linux/types.h>])
++AC_CHECK_HEADER(linux/errqueue.h, AC_DEFINE(HAVE_LINUX_ERRQUEUE_H), [], [AC_INCLUDES_DEFAULT
++	#if HAVE_LINUX_TYPES_H
++	#include <linux/types.h>
++	#endif])
+ AC_CHECK_HEADERS(sys/utsname.h sys/select.h sys/file.h)
+ AC_CHECK_HEADERS(util.h bsd/libutil.h libutil.h sys/stropts.h regex.h)
+ AC_CHECK_HEADERS(linux/fs.h linux/ext2_fs.h)

meta/recipes-connectivity/socat/socat_1.7.2.4.bb

@@ -14,6 +14,7 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=b234ee4d69f5fce4486a80fdaf4a4263 \
 
 SRC_URI = "http://www.dest-unreach.org/socat/download/socat-${PV}.tar.bz2 \
            file://fix-cross-compiling-failed.patch \
+           file://socat-1.7.2.4-linux-3.17.patch \
 "
 
 SRC_URI[md5sum] = "69b8155dd442a6f24e28ef5407d868eb"