Simplify case for _ARRAY_ in remove_forwarding_pointers_from_string

Libraries/graph_copy/copy_string_to_graph.c

@@ -106,13 +106,12 @@ void remove_forwarding_pointers_from_string (Int *string_p,Int *end_forwarding_p
 						elem_desc=string_p[2];
 						string_p+=3;
 
+						if (elem_desc!=0){
 #if defined (USE_DESC_RELATIVE_TO_ARRAY)
-						if (elem_desc!=0)
 							elem_desc+=(Int)&__ARRAY__;
 #endif
 
-						if (elem_desc==0){
-						} else if (elem_desc==(Int)&INT+2
+							if (elem_desc==(Int)&INT+2
 #if ARCH_64
 								|| elem_desc==(Int)&REAL+2
 #else
@@ -146,6 +145,7 @@ void remove_forwarding_pointers_from_string (Int *string_p,Int *end_forwarding_p
 
 								string_p+=n_non_field_pointers*array_size;
 							}
+						}
 					} else {
 						++string_p;
 					}