fix i10347

Author: jtjeferreira

Diff for: tests/pos/i10347/C_2.java

@@ -1,5 +1,5 @@
 public class C_2 {
   String hi = A.foo().head();
-  String hy = A.bar().head();
+  String hy = A.bar().head().s();
   String hj = A.baz("").head();
 }