Fix missing trailing newlines

exec/IfAndWhile.out

@@ -2,4 +2,4 @@
 1
 42
 2
-3
\ No newline at end of file
+3

exec/LazyOrNot.java

 class Foo{
 
-	int i;
+	public int i;
 
 	public static void main(String[] args){
 		
@@ -24,4 +24,4 @@ class Foo{
 		return true;
 	}
 	
-}
\ No newline at end of file
+}

exec/LazyOrNot.out

 13
 1
-2
\ No newline at end of file
+2

exec/RecursiveFoo.java

@@ -19,4 +19,4 @@ class Foo{
 		}
 	}
 	
-}
\ No newline at end of file
+}

exec/RecursiveFoo.out

@@ -4,4 +4,4 @@
 128
 256
 512
-1024
\ No newline at end of file
+1024

exec/TestAndFoo.out

 2
 1
-2
\ No newline at end of file
+2