[glide] Fix crash when AnimationInfo has a null Animation...probably shouldn't happen in new files

[Robert Carr <racarr src gnome org>]

commit 3bdaee6703c00e16184866ed48184dbec81df7fe
Author: Robert Carr <racarr Valentine localdomain>
Date:   Fri May 7 11:26:59 2010 -0400

    Fix crash when AnimationInfo has a null Animation...probably shouldn't happen in new files

 libglide/glide-stage-manager.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libglide/glide-stage-manager.c b/libglide/glide-stage-manager.c
index 4f77601..8bbe28b 100644
--- a/libglide/glide-stage-manager.c
+++ b/libglide/glide-stage-manager.c
@@ -291,7 +291,7 @@ glide_stage_manager_advance_slide (GlideStageManager *manager)
 
       a_info = glide_slide_get_animation (a);
       
-      if (!a_info || !strcmp(a_info->animation->name, "None"))
+      if (!a_info || !a_info->animation ||!strcmp(a_info->animation->name, "None"))
 	{
 	  glide_stage_manager_set_slide_next (manager);
 	  return;