Removed the "long" integer literals in "vcl/source/gdi/". Some literals are
left to match external methods

Change-Id: I55aa9bd2935bfd82c9c1cc5cd1efcc4b7c3d9346
Reviewed-on: https://gerrit.libreoffice.org/27784Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Michael Stahl <mstahl@redhat.com>