Whitespace corrections

Signed-off-by: Murray Calavera <murray.calavera@gmail.com>
diff --git a/clients/window.h b/clients/window.h
index 0686c3f..34a5ef3 100644
--- a/clients/window.h
+++ b/clients/window.h
@@ -262,9 +262,9 @@
 					      float x,
 					      float y,
 					      void *data);
-typedef void (*widget_touch_frame_handler_t)(struct widget *widget, 
+typedef void (*widget_touch_frame_handler_t)(struct widget *widget,
 					     struct input *input, void *data);
-typedef void (*widget_touch_cancel_handler_t)(struct widget *widget, 
+typedef void (*widget_touch_cancel_handler_t)(struct widget *widget,
 					      struct input *input, void *data);
 typedef void (*widget_axis_handler_t)(struct widget *widget,
 				      struct input *input, uint32_t time,