changed argument in &sums

Author: michelou

test/files/run/Course-2002-02.scala

@@ -163,7 +163,7 @@ object M7 {
     iter(a, 0)
   }
 
-  def sumInts = &sum(_)
+  def sumInts = &sum(x => x)
   def sumCubes = &sum(x => x * x * x)
   def sumReciprocals = &sum(x => 1.0/x)
   def sumPi = { n: Int => 4 + sum(x => 4.0/(4*x+1) - 4.0/(4*x-1))(1, n) }