fix bug in size of bits2 array in previous revision

HeapProfile/ShowHeapProfile.icl

@@ -265,7 +265,8 @@ compute_sizes_by_node_kind :: !.Header .Descriptors !*{#Char} !{#Char} {#Char} {
 compute_sizes_by_node_kind header descriptors heap heap2 data text stack
 	#! size_heap=size heap;
 	   bits1=allocate_bit_array size_heap;
-	   bits2=allocate_bit_array size_heap;
+	#! size_heap2=size heap2;
+	   bits2=allocate_bit_array size_heap2;
 	=  size_stack descriptors 0 NilSizeByNodeKind bits1 bits2 heap;
 	where
 		stack_size=size stack;