fixed absolute path leak which was causing gdm to not install pam files

meta-citadel/recipes-desktop/gdm/files/0001-replace-absolute-path-with-staging-path.patch

@@ -0,0 +1,25 @@
+From 5a39825877c98495de2d9ae91544b25053fe5687 Mon Sep 17 00:00:00 2001
+From: Bruce Leidl <bruce@subgraph.com>
+Date: Fri, 2 Feb 2018 19:17:41 -0500
+Subject: [PATCH] replace absolute path with staging path
+
+---
+ data/Makefile.am | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/data/Makefile.am b/data/Makefile.am
+index c10c915..3a94592 100644
+--- a/data/Makefile.am
++++ b/data/Makefile.am
+@@ -298,7 +298,7 @@ endif
+ 	fi
+ 
+ 	system=`uname`; \
+-	if test -f /usr/include/security/pam_appl.h; then \
++	if test -f $(STAGING_INCDIR)/security/pam_appl.h; then \
+ 	  if test '!' -d $(DESTDIR)$(PAM_PREFIX)/pam.d; then \
+ 		$(mkinstalldirs) $(DESTDIR)$(PAM_PREFIX)/pam.d; \
+ 		chmod 755 $(DESTDIR)$(PAM_PREFIX)/pam.d; \
+-- 
+2.15.1
+

meta-citadel/recipes-desktop/gdm/gdm.inc

@@ -6,7 +6,10 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=b234ee4d69f5fce4486a80fdaf4a4263"
 
 inherit gnomebase useradd gettext pkgconfig autotools gobject-introspection systemd
 
-SRC_URI += "file://gdm.conf"
+SRC_URI = "${GNOME_MIRROR}/${GNOMEBN}/${@gnome_verdir("${PV}")}/${GNOMEBN}-${PV}.tar.${GNOME_COMPRESS_TYPE};name=archive \
+           file://gdm.conf \
+           file://0001-replace-absolute-path-with-staging-path.patch \
+           "
 
 DEPENDS = "libxcb libxinerama libxau libxdmcp intltool-native glib-2.0 accountsservice libpam libcheck libcanberra gtk+3 libx11 libxi systemd libxext glib-2.0-native dconf-native plymouth"