Fixes custom code for QtCore's HWND on win32.

PySide/QtCore/typesystem_core_win.xml

@@ -43,6 +43,9 @@
         </target-to-native>
       </conversion-rule>
   </primitive-type>
+  <inject-code class="native" position="beginning">
+    <insert-template name="checkPyCapsuleOrPyCObject_func"/>
+  </inject-code>
   <value-type name="POINT">
       <include file-name="wtypes.h" location="global"/>
   </value-type>

PySide/QtGui/typesystem_gui_win.xml

@@ -43,14 +43,7 @@
     </conversion-rule>
   </primitive-type>
   <inject-code class="native" position="beginning">
-  static bool checkPyCapsuleOrPyCObject(PyObject* pyObj)
+    <insert-template name="checkPyCapsuleOrPyCObject_func"/>
-  {
-      #ifdef IS_PY3K
-      return PyCapsule_CheckExact(pyObj);
-      #else
-      return PyCObject_Check(pyObj);
-      #endif
-  }
   </inject-code>
   <enum-type name="QPixmap::HBitmapFormat" />
 </typesystem>

PySide/typesystem_templates.xml

@@ -414,4 +414,15 @@
     }
     </template>
 
+    <template name="checkPyCapsuleOrPyCObject_func">
+    static bool checkPyCapsuleOrPyCObject(PyObject* pyObj)
+    {
+        #ifdef IS_PY3K
+        return PyCapsule_CheckExact(pyObj);
+        #else
+        return PyCObject_Check(pyObj);
+        #endif
+    }
+    </template>
+
 </typesystem>