[file-roller] Dragging a file to desktop doesn't work

[Paolo Bacchilega <paobac src gnome org>]

commit 17a2be90d8242378000342ce96c29b9f40c221ab
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Sun Feb 15 10:20:48 2015 +0100

    Dragging a file to desktop doesn't work
    
    [bug #479351]

 src/fr-window.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/src/fr-window.c b/src/fr-window.c
index de7a38e..33a4046 100644
--- a/src/fr-window.c
+++ b/src/fr-window.c
@@ -4226,6 +4226,7 @@ static char *
 get_xds_atom_value (GdkDragContext *context)
 {
        char *ret;
+       int   len;
 
        g_return_val_if_fail (context != NULL, NULL);
        g_return_val_if_fail (gdk_drag_context_get_source_window (context) != NULL, NULL);
@@ -4233,9 +4234,12 @@ get_xds_atom_value (GdkDragContext *context)
        if (gdk_property_get (gdk_drag_context_get_source_window (context),
                              XDS_ATOM, TEXT_ATOM,
                              0, MAX_XDS_ATOM_VAL_LEN,
-                             FALSE, NULL, NULL, NULL,
+                             FALSE, NULL, NULL, &len,
                              (unsigned char **) &ret))
+       {
+               ret[len] = '\0';
                return ret;
+       }
 
        return NULL;
 }