textproc/scdoc: unbreak fetch due to recompression

=> Fetched file size mismatch (expected 12803, actual 12746)

 $ gzip -l scdoc-1.11.2.tar.gz
   compressed uncompressed  ratio uncompressed_name
-       12803        71680  82.1% scdoc-1.11.2.tar
+       12746        71680  82.2% scdoc-1.11.2.tar

(cherry picked from commit dfb43d47)