use DECLARE_NO_COPY_CLASS() where applicable (patch 633384)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@18525 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/utilsexc.cpp

@@ -146,6 +146,8 @@ protected:
 
 protected:
     HANDLE m_hInput;
+
+    DECLARE_NO_COPY_CLASS(wxPipeInputStream)
 };
 
 class wxPipeOutputStream: public wxOutputStream
@@ -159,6 +161,8 @@ protected:
 
 protected:
     HANDLE m_hOutput;
+
+    DECLARE_NO_COPY_CLASS(wxPipeOutputStream)
 };
 
 // define this to let wxexec.cpp know that we know what we're doing