2351178 - SYB: Reorg rebuild command on index can't compress the existing index data.

[original index size]
                             WBCROSSGT_var~0 WBCROSSGT_var~NAM  
 WBCROSSGT_var            4834              1050

alter index WBCROSSGT_var."WBCROSSGT_var~0" set index_compression=page
alter index WBCROSSGT_var."WBCROSSGT_var~NAM" set index_compression=page

reorg rebuild WBCROSSGT_var "WBCROSSGT_var~0"
reorg rebuild WBCROSSGT_var "WBCROSSGT_var~NAM"

[index size after enabling index compression]
select substring('WBCROSSGT_var',1,15),
data_pages(4,object_id('WBCROSSGT_var'),2) as "WBCROSSGT_var~0",
data_pages(4,object_id('WBCROSSGT_var'),3) as "WBCROSSGT_var~NAM"
go
                             WBCROSSGT_var~0 WBCROSSGT_var~NAM 
 WBCROSSGT_var            4834              1050