remove trailing whitespaces

Remove trailing whitespaces because they are not needed and jumping to
the end of al ine should do just that and not jump to the whitespace.
diff --git a/clients/window.c b/clients/window.c
index 81e007b..45b0ec5 100644
--- a/clients/window.c
+++ b/clients/window.c
@@ -3181,7 +3181,7 @@
 
 	wl_list_for_each_safe(tp, tmp, &input->touch_point_list, link) {
 		if (tp->widget->touch_frame_handler)
-			(*tp->widget->touch_frame_handler)(tp->widget, input, 
+			(*tp->widget->touch_frame_handler)(tp->widget, input,
 							   tp->widget->user_data);
 	}
 }