Tests for annie

tests/programs/helloworld.alpha

@@ -4,7 +4,7 @@ function entry: string2integer
 
 entry (arg) := {
     [integer: result]
-    
+
     result := printCharacter('H');
     result := printCharacter('e');
     result := printCharacter('l');
@@ -20,4 +20,4 @@ entry (arg) := {
     result := printCharacter('\n');
 
     return 0;
-}
+}