[gthumb/ext] enable slideshow extension by default

[Michael J. Chudobiak <mjc src gnome org>]

commit ac23e0cf12abbd84b801d5707df7ab229e09aa23
Author: Michael J. Chudobiak <mjc avtechpulse com>
Date:   Fri Sep 4 08:21:33 2009 -0400

    enable slideshow extension by default

 .../photo_importer/photo_importer.extension.in.in  |    2 +-
 extensions/slideshow/slideshow.extension.in.in     |    2 +-
 gthumb/gth-main.c                                  |    1 +
 3 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/extensions/photo_importer/photo_importer.extension.in.in b/extensions/photo_importer/photo_importer.extension.in.in
index 6b00bd9..8a4fc67 100644
--- a/extensions/photo_importer/photo_importer.extension.in.in
+++ b/extensions/photo_importer/photo_importer.extension.in.in
@@ -1,6 +1,6 @@
 [Extension]
 _Name=Import photos
-_Description=Import photos from removable devices
+_Description=Import photos from removable devices.
 _Authors=gthumb development team
 Copyright=Copyright © 2009 The Free Software Foundation, Inc.
 Version=1.0
diff --git a/extensions/slideshow/slideshow.extension.in.in b/extensions/slideshow/slideshow.extension.in.in
index 0feac0b..8715075 100644
--- a/extensions/slideshow/slideshow.extension.in.in
+++ b/extensions/slideshow/slideshow.extension.in.in
@@ -1,6 +1,6 @@
 [Extension]
 _Name=Slideshow
-_Description=View images as a slideshow
+_Description=View images as a slideshow.
 _Authors=gthumb development team
 Copyright=Copyright © 2008-2009 The Free Software Foundation, Inc.
 Version=1.0
diff --git a/gthumb/gth-main.c b/gthumb/gth-main.c
index 7218389..4220be7 100644
--- a/gthumb/gth-main.c
+++ b/gthumb/gth-main.c
@@ -1135,6 +1135,7 @@ gth_main_activate_extensions (void)
 						"photo_importer",
 						"rename_series",
 						"search",
+						"slideshow",
 						NULL };
 	int         i;
 	GSList     *active_extensions;