Fix mistake in the control condition of the AM conditional for the RapidXML parser.
Fix mistake in the control condition of the AM conditional for the RapidXML parser.

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branch : v0-7

cbeck88/cegui-mirror-two,cbeck88/cegui-mirror-two,cbeck88/cegui-mirror-two,cbeck88/cegui-mirror-two,cbeck88/cegui-mirror-two