parley: Fix swash example rendering. (#115)

This line may have been mistakenly removed in #106
(14070d5).

Fix #114.

examples/swash_render/src/main.rs

@@ -80,6 +80,7 @@ fn main() {
     let mut layout: Layout<Color> = builder.build();
 
     // Perform layout (including bidi resolution and shaping) with start alignment
+    layout.break_all_lines(max_advance);
     layout.align(max_advance, Alignment::Start);
 
     // Create image to render into