Do not hold onto head when invoking multi-methods

Signed-off-by: Stuart Halloway <[email protected]>

Author: pjstadig

src/jvm/clojure/lang/AFn.java

@@ -158,9 +158,7 @@ static public Object applyToHelper(IFn ifn, ISeq arglist) throws Exception{
 			arglist = null;
 			return ifn.invoke();
 		case 1:
-			Object a1 = arglist.first();
-			arglist = null;
-			return ifn.invoke(a1);
+			return ifn.invoke(Util.ret1(arglist.first(),arglist = null));
 		case 2:
 			return ifn.invoke(arglist.first()
 					, Util.ret1((arglist = arglist.next()).first(),arglist = null)