Ticket #3485: GuiManagerInterfaceW

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27730 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Ticket #3485: using GuiManagerInterfaceW instead of GuiManagerW

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27731 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Ticket #3485: fixing error in the previous commit

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27732 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e