Fix Typecasts

Change-Id: I496fb6fafe40a16d93ad8880a07a2e9fe01a25e3
diff --git a/std/pile.c b/std/pile.c
index 7464f5a..2c1338e 100644
--- a/std/pile.c
+++ b/std/pile.c
@@ -23,7 +23,7 @@
 	}   
 	if( !clonep(this_object()) ) return;
 	::create();
-	von = (string)previous_object()->QueryProp(P_PILE_NAME);
+	von = ({string})previous_object()->QueryProp(P_PILE_NAME);
 	SetProp( P_PILE_NAME, "\nhaufen "+von );
 	spielerhaufen = (int)previous_object()->IsPlayerCorpse();