lxde-base/lxdm: Patch socket header failure on musl + clang:16

Makes struct members explicit

Closes: https://bugs.gentoo.org/896032
Patch-by: Sam James <sam@gentoo.org>
Signed-off-by: Brian Evans <grknight@gentoo.org>

lxde-base/lxdm/files/lxdm-0.5.3-portable-msghdr.patch

@@ -0,0 +1,18 @@
+--- a/src/lxcom.c
++++ b/src/lxcom.c
+@@ -117,7 +117,15 @@
+ 	char ctrl[/*CMSG_SPACE(sizeof(LXDM_CRED))*/1024];
+ 	struct sockaddr_un peer;
+ 	struct iovec v={buf,sizeof(buf)};
+-	struct msghdr h={&peer,sizeof(peer),&v,1,ctrl,sizeof(ctrl),0};
++	struct msghdr h={
++		.msg_name = &peer,
++		.msg_namelen = sizeof(peer),
++		.msg_iov = &v,
++		.msg_iovlen = 1,
++		.msg_control = ctrl,
++		.msg_controllen = sizeof(ctrl),
++		.msg_flags = 0
++	};
+ 	struct cmsghdr *cmptr;
+ 	int ret;

lxde-base/lxdm/lxdm-0.5.3-r4.ebuild

@@ -42,15 +42,19 @@ DOCS=( AUTHORS README TODO )
 
 REQUIRED_USE="?? ( elogind systemd ) elogind? ( pam ) systemd? ( pam )"
 
+PATCHES=(
+	# Fix consolekit and selinux
+	"${FILESDIR}/${P}-pam.patch"
+	# Apply all upstream fixes in git until 2016-11-11
+	"${FILESDIR}/lxdm-0.5.3-upstream-fixes.patch"
+	"${FILESDIR}/lxdm-0.5.3-portable-msghdr.patch"
+)
+
 src_prepare() {
 	# Upstream bug, tarball contains pre-made lxdm.conf
 	rm "${S}"/data/lxdm.conf || die
 
-	# Fix consolekit and selinux
-	eapply "${FILESDIR}/${P}-pam.patch"
-	# Apply all upstream fixes in git until 2016-11-11
-	eapply "${FILESDIR}/lxdm-0.5.3-upstream-fixes.patch"
-	eapply_user
+	default
 
 	# this replaces the bootstrap/autogen script in most packages
 	eautoreconf