wxwidgets.cfg: Fixed FP due to overlaoded function wxSizer::Add().

cfg/wxwidgets.cfg

@@ -943,7 +943,8 @@
     <leak-ignore/>
     <returnValue type="wxSizerItem*"/>
     <arg nr="1">
-      <not-null/>
+      <!-- <not-null/> Deactivated due to FPs with overloaded function: wxSizerItem * Add (int width, int height, int proportion=0, int flag=0, int border=0, wxObject *userData=NULL) -->
+      <not-uninit/>
     </arg>
     <arg nr="2" default="0">
       <not-uninit/>

test/cfg/wxwidgets.cpp

@@ -83,7 +83,7 @@ void nullPointer(const wxString &str)
 void nullPointer_wxSizer_Add(wxSizer &sizer, wxWindow *w)
 {
     wxWindow * const ptr = 0;
-    // cppcheck-suppress nullPointer
+    // @todo cppcheck-suppress nullPointer
     sizer.Add(ptr);
     // No warning shall be issued for
     sizer.Add(w);