fix pod error

doc/Language/functions.pod6

@@ -1034,6 +1034,7 @@ sub are-equal (Int $x, Int $y --> Bool(Int) ) { $x - $y };
 for (2,4) X (1,2) -> ($a,$b) {
     say "Are $a and $b equal? ", are-equal($a, $b);
 } #  OUTPUT: «Are 2 and 1 equal? True␤Are 2 and 2 equal? False␤Are 4 and 1 equal? True␤Are 4 and 2 equal? True␤»
+=end code
 
 In this case, we are coercing an C<Int> to a C<Bool>, which is then printed (put
 into a string context) in the C<for> loop that calls the function.