print SCOL after the program's expression, remove whitespace before the OPAR of the funtion definition

src/main/java/de/hsrm/compiler/Klang/visitors/PrettyPrintVisitor.java

@@ -61,6 +61,7 @@ public class PrettyPrintVisitor implements Visitor<Void> {
             ex.nl();
         }
         e.expression.welcome(this);
+        ex.write(";");
         return null;
     }