-Fed g_variant parameter from dp_complex_mult upward to arts_tab_beamformer so we can

...gns/arts_unb2b_sc3/src/vhdl/arts_unb2b_sc3_processing.vhd

...ries/arts_tab_beamformer/src/vhdl/arts_tab_beamformer.vhd

libraries/base/dp/src/vhdl/dp_complex_mult.vhd

libraries/dsp/beamformer/src/vhdl/beamformer.vhd