wxwidgets.cfg: Added support for more interfaces, found by daca@home

Author: orbitcowboy

cfg/wxwidgets.cfg

@@ -13686,6 +13686,13 @@ wxItemKind kind = wxITEM_NORMAL) -->
       <not-uninit/>
     </arg>
   </function>
+  <!-- void wxPGProperty::SetHelpString(const wxString & helpString)-->
+  <function name="wxPGProperty::SetHelpString">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <leak-ignore/>
+    <arg nr="1" direction="in"/>
+  </function>
   <!-- wxRect wxRect::Intersect(const wxRect & rect) -->
   <function name="wxRect::wxRect">
     <noreturn>false</noreturn>