Diverse kaputte Casts repariert.

Unwirksame und ueberfluessige Casts entfernt,
etwas Code-Cleanup.

Change-Id: I92f01e6391c432cd0881a5faac580f6d0b40c323
diff --git a/secure/scoremaster.c b/secure/scoremaster.c
index af40a93..6a08eff 100644
--- a/secure/scoremaster.c
+++ b/secure/scoremaster.c
@@ -397,7 +397,7 @@
   int score = by_num[bit,BYNUM_SCORE];
   
   foreach(string pl: unconfirmed_scores[bit]) {
-      string eks = (string)master()->query_ek(pl);
+      string eks = ({string})master()->query_ek(pl);
       eks = set_bit(eks, bit);
       master()->update_ek(pl, eks);
       write_file(SCOREAUTOLOG, sprintf(