Corrected a memory leak I introduced in the last patch

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@20435 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/docview.cpp

@@ -1100,6 +1100,7 @@ wxDocument *wxDocManager::CreateDocument(const wxString& path, long flags)
             {
                 if (!CloseDocument(docToClose, FALSE))
                 {
+                    delete[] templates;
                     return NULL;
                 }
             }