elm_prefs_cc - fix correct struct size calculation

use correct struct type even though previous struct was the same size
and it wasnt an actual bug - but a potential one.

src/bin/elementary/elm_prefs_cc_handlers.c

@@ -739,7 +739,7 @@ object_handler_num(void)
 int
 statement_handler_num(void)
 {
-   return sizeof(statement_handlers) / sizeof (New_Object_Handler);
+   return sizeof(statement_handlers) / sizeof (New_Statement_Handler);
 }
 
 static void