Fix WL_EVENT_WRITEABLE typo
diff --git a/compositor/compositor-wayland.c b/compositor/compositor-wayland.c
index 237f56b..a99ca3a 100644
--- a/compositor/compositor-wayland.c
+++ b/compositor/compositor-wayland.c
@@ -492,7 +492,7 @@
 
 	if (mask & WL_EVENT_READABLE)
 		wl_display_iterate(c->parent.display, WL_DISPLAY_READABLE);
-	if (mask & WL_EVENT_WRITEABLE)
+	if (mask & WL_EVENT_WRITABLE)
 		wl_display_iterate(c->parent.display, WL_DISPLAY_WRITABLE);
 
 	return 1;