Assigning group to SAI crashed ARB when > is used

[fog]

When using the < > buttons two or three times (esp. the > button) in SAI→Manage SAI → Assign Group to SAI crashes ARB with the following message:

Press enter to close this windowstart awt_create_selection_list_on_extendeds_update
done  awt_create_selection_list_on_extendeds_update
found_upper=0 found_lower=1 content='filters_slv'
make=2
found_upper=1 found_lower=1 content='Filters_slv'
make=3
found_upper=1 found_lower=0 content='FILTERS_SLV'
make=4
/usr/local/lib/arb/xterm_arb: line 61:  5647 Segmentation fault      arb_ntree $                        ARBCMD
ARB Done

[westram]

• replaced functionality by new feature (see #121)