Java to Kotlin converter: fixed two similar bugs

j2k/tests/testData/ast/constructors/fieldsInitializedFromParams9.java

@@ -0,0 +1,12 @@
+//file
+class C {
+    private final String string;
+
+    public C(String s, int a) {
+        this.string = s;
+    }
+
+    public C(String s) {
+        this(s, s.length());
+    }
+}