games/punchy: unbreak fetch after 8881966b

=> Fetched file size mismatch (expected 7535, actual 7537)

$ gzip -vl *punchy*0.3.0*.tar.gz
 method  crc     date  time    compressed uncompressed  ratio uncompressed_name
-defla fbbc488b Jan 31 03:14     29053444     32686080  11.1% fishfolk-punchy-v0.3.0_GH0.tar
+defla fbbc488b Jan 31 06:34     29008639     32686080  11.2% fishfolk-punchy-v0.3.0_GH0.tar