replace @seealso with @see; as Vaclav pointed out we shouldn't use custom aliases...

replace @seealso with @see; as Vaclav pointed out we shouldn't use custom aliases only for styling purposes, CSS is designed for that; besides @seealso was already removed from all interface headers and from Doxygen_inc

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@52524 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775