Thread:Extension talk:SphinxSearch/MW 1.23.3 vs. SphinxSearch 0.8.5 or 0.9.0/reply

You should comment out the line. $ShowRedirects was removed from core in 7e8c48ac3d11cff93c48b9c380897019eda225bd with this message:

Remove "include redirects" option from search Always include redirects. Search results are worse without them and MWSearch has never respected this option anyway.