[PATCH] Corrects crash when closing preference dialog (upper =

[Erwan Tulou]

right X icon) and trying to open it again.=0A=
=0A=
---=0A=
 modules/gui/qt4/dialogs/preferences.hpp |    2 +-=0A=
 1 files changed, 1 insertions(+), 1 deletions(-)=0A=
=0A=
diff --git a/modules/gui/qt4/dialogs/preferences.hpp =
b/modules/gui/qt4/dialogs/preferences.hpp=0A=
index bbddfaa..5c22279 100644=0A=
--- a/modules/gui/qt4/dialogs/preferences.hpp=0A=
+++ b/modules/gui/qt4/dialogs/preferences.hpp=0A=
@@ -51,7 +51,7 @@ public:=0A=
             instance =3D new PrefsDialog( (QWidget =
*)p_intf->p_sys->p_mi, p_intf );=0A=
         return instance;=0A=
     }=0A=
-    virtual ~PrefsDialog() {};=0A=
+    virtual ~PrefsDialog() { instance =3D NULL; }=0A=
 #if 0=0A=
     /*Called from extended settings, is not used anymore, but could be =
useful one day*/=0A=
     void showModulePrefs( char* );=0A=
-- =0A=
1.5.2.5=0A=
=0A=

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