[gdm] Don't hardcode path to polkit-gnome-authentication-agent-1

[Ray Strode <halfline src gnome org>]

commit 0b0e124ce0674d43ab0df224ea7a42d2250f4e59
Author: Marcin Banasiak <megabajt pld-linux org>
Date:   Thu Oct 1 21:40:09 2009 +0200

    Don't hardcode path to polkit-gnome-authentication-agent-1
    
    https://bugzilla.gnome.org/show_bug.cgi?id=597050

 data/greeter-autostart/Makefile.am                 |    2 ++
 ...kit-gnome-authentication-agent-1.desktop.in.in} |    2 +-
 2 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/data/greeter-autostart/Makefile.am b/data/greeter-autostart/Makefile.am
index 0d8b01a..d12246b 100644
--- a/data/greeter-autostart/Makefile.am
+++ b/data/greeter-autostart/Makefile.am
@@ -30,6 +30,7 @@ EXTRA_DIST = 			\
 	gdm-simple-greeter.desktop.in.in	\
 	gnome-power-manager.desktop.in.in	\
 	gnome-settings-daemon.desktop.in.in	\
+	polkit-gnome-authentication-agent-1.desktop.in.in \
 	$(desktop_in_files)	\
 	$(NULL)
 
@@ -39,6 +40,7 @@ DISTCLEANFILES =			\
 	gdm-simple-greeter.desktop.in	\
 	gnome-power-manager.desktop.in	\
 	gnome-settings-daemon.desktop.in	\
+	polkit-gnome-authentication-agent-1.desktop.in \
 	$(NULL)
 
 MAINTAINERCLEANFILES =                  \
diff --git a/data/greeter-autostart/polkit-gnome-authentication-agent-1.desktop.in b/data/greeter-autostart/polkit-gnome-authentication-agent-1.desktop.in.in
similarity index 61%
rename from data/greeter-autostart/polkit-gnome-authentication-agent-1.desktop.in
rename to data/greeter-autostart/polkit-gnome-authentication-agent-1.desktop.in.in
index b3499d1..e398cf6 100644
--- a/data/greeter-autostart/polkit-gnome-authentication-agent-1.desktop.in
+++ b/data/greeter-autostart/polkit-gnome-authentication-agent-1.desktop.in.in
@@ -1,5 +1,5 @@
 [Desktop Entry]
 Type=Application
 _Name=PolicyKit Authentication Agent
-Exec=/usr/libexec/polkit-gnome-authentication-agent-1
+Exec= LIBEXECDIR@/polkit-gnome-authentication-agent-1
 OnlyShowIn=GNOME;