[gdm] build: feed AC_DEFINE_UNQUOTED with expanded version of the variables.

[Ray Strode <halfline src gnome org>]

commit 6fed512bb47b026f0b229a359d5f5bdd2fcc7cdf
Author: Alban Browaeys <prahal yahoo com>
Date:   Wed Jan 2 17:08:38 2013 +0100

    build: feed AC_DEFINE_UNQUOTED with expanded version of the variables.
    
    Fixes gdm attempts to access "/${prefix}/..." for the ran once dir and
    files.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=691058

 configure.ac |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 82823ea..a282232 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1374,11 +1374,13 @@ else
    GDM_RAN_ONCE_MARKER_DIR=/run/gdm
 fi
 AC_SUBST(GDM_RAN_ONCE_MARKER_DIR)
-AC_DEFINE_UNQUOTED(GDM_RAN_ONCE_MARKER_DIR, "$GDM_RAN_ONCE_MARKER_DIR", [ran once marker dir])
+AS_AC_EXPAND(GDM_RAN_ONCE_MARKER_DIR_EXPANDED, $GDM_RAN_ONCE_MARKER_DIR)
+AC_DEFINE_UNQUOTED(GDM_RAN_ONCE_MARKER_DIR, "$GDM_RAN_ONCE_MARKER_DIR_EXPANDED", [ran once marker dir])
 
 GDM_RAN_ONCE_MARKER_FILE="$GDM_RAN_ONCE_MARKER_DIR/ran-once-marker"
 AC_SUBST(GDM_RAN_ONCE_MARKER_FILE)
-AC_DEFINE_UNQUOTED(GDM_RAN_ONCE_MARKER_FILE, "$GDM_RAN_ONCE_MARKER_FILE", [ran once marker file])
+AS_AC_EXPAND(GDM_RAN_ONCE_MARKER_FILE_EXPANDED, $GDM_RAN_ONCE_MARKER_FILE)
+AC_DEFINE_UNQUOTED(GDM_RAN_ONCE_MARKER_FILE, "$GDM_RAN_ONCE_MARKER_FILE_EXPANDED", [ran once marker file])
 
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