[anjuta] am-project: Fix a crash when closing and opening a new project

[Sebastien Granjoux <sgranjoux src gnome org>]

commit 5918aaafc9a5b5978d10a898204d654be32ae904
Author: SÃbastien Granjoux <seb sfo free fr>
Date:   Mon Dec 19 21:12:22 2011 +0100

    am-project: Fix a crash when closing and opening a new project
    
    This is due to the last property changes.

 plugins/am-project/am-project.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/plugins/am-project/am-project.c b/plugins/am-project/am-project.c
index 99eafe0..c4229c6 100644
--- a/plugins/am-project/am-project.c
+++ b/plugins/am-project/am-project.c
@@ -683,7 +683,7 @@ amp_project_load_properties (AmpProject *project, AnjutaToken *macro, AnjutaToke
 			AnjutaProjectProperty *new_prop;
 
 			new_prop = anjuta_project_node_get_property (ANJUTA_PROJECT_NODE (project), info->base.id);
-			if (new_prop != NULL)
+			if ((new_prop != NULL) && (new_prop->info->property != new_prop))
 			{
 				amp_property_free (new_prop);
 			}