Fixed reversed logic error for --chop-long-lines

src/bin/bat/app.rs

@@ -174,9 +174,8 @@ impl App {
                         }
                         _ => unreachable!("other values for --wrap are not allowed"),
                     }
-                }
-                else {
-                    WrappingMode::NoWrapping(true)
+                } else {
+                    WrappingMode::Character
                 }
             } else {
                 // We don't have the tty width when piping to another program.