(lyskomd_start): Use chmod to make sure that the database is writable

	even if it is copied from a read-only tree.

src/server/testsuite/config/unix.exp

@@ -289,6 +289,7 @@ proc lyskomd_start {{aux_item_conf_file ""} \
     system "mkdir db etc"
     system "cp $top_srcdir/db-crypt/db/lyskomd-data db/"
     system "cp $top_srcdir/db-crypt/db/lyskomd-texts db/"
+    system "chmod 644 db/lyskomd-data db/lyskomd-texts"
 
     set cf [open "config/lyskomd-config" "w"]
     puts $cf "Client port: $clientport"