Silence down ne_lock gcc WaE

Wraps this
/usr/include/neon/ne_locks.h:125:51: warning: 'int ne_lock(ne_session*, ne_lock*)'
hides constructor for 'struct ne_lock' [-Wshadow]
into a system header guard.

ucb/source/ucp/webdav/NeonLockStore.cxx

@@ -29,7 +29,7 @@
 // MARKER(update_precomp.py): autogen include statement, do not remove
 #include "precompiled_ucb.hxx"
 
-#include <ne_locks.h>
+#include "warnings_guard_ne_locks.h"
 #include <ne_uri.h>
 #include "rtl/ustring.hxx"
 #include "osl/time.h"

ucb/source/ucp/webdav/NeonLockStore.hxx

@@ -29,7 +29,7 @@
 #define INCLUDED_NEONLOCKSTORE_HXX
 
 #include <map>
-#include "ne_locks.h"
+#include "warnings_guard_ne_locks.h"
 #include "osl/mutex.hxx"
 #include "rtl/ref.hxx"
 #include "NeonTypes.hxx"

ucb/source/ucp/webdav/NeonTypes.hxx

@@ -33,7 +33,7 @@
 #include <ne_utils.h>
 #include <ne_basic.h>
 #include <ne_props.h>
-#include <ne_locks.h>
+#include "warnings_guard_ne_locks.h"
 
 typedef ne_session                  HttpSession;
 typedef ne_status                   HttpStatus;

ucb/source/ucp/webdav/warnings_guard_ne_locks.h

@@ -0,0 +1,54 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * Version: MPL 1.1 / GPLv3+ / LGPLv3+
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License or as specified alternatively below. You may obtain a copy of
+ * the License at http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * Major Contributor(s):
+ * [ Copyright (C) 2011 Eike Rathke <erack@redhat.com> (initial developer) ]
+ *
+ * All Rights Reserved.
+ *
+ * For minor contributions see the git repository.
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 3 or later (the "GPLv3+"), or
+ * the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
+ * in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
+ * instead of those above.
+ */
+
+#ifndef INCLUDED_WARNINGS_GUARD_NE_LOCKS_H
+#define INCLUDED_WARNINGS_GUARD_NE_LOCKS_H
+
+// Because the GCC system_header mechanism doesn't work in .c/.cxx compilation
+// units and more important affects the rest of the current include file, the
+// warnings guard is separated into this header file on its own.
+
+/*
+    Silence down this WaE:
+    /usr/include/neon/ne_locks.h:125:51: warning: 'int ne_lock(ne_session*, ne_lock*)'
+    hides constructor for 'struct ne_lock' [-Wshadow]
+*/
+
+#ifdef _MSC_VER
+#pragma warning(push, 1)
+#elif defined __GNUC__
+#pragma GCC system_header
+#endif
+#include <ne_locks.h>
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif
+
+#endif // INCLUDED_WARNINGS_GUARD_NE_LOCKS_H
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */