normalize modelines/headers across src/*.c

src/xcb.c

@@ -2,15 +2,11 @@
  * vim:ts=4:sw=4:expandtab
  *
  * i3 - an improved dynamic tiling window manager
- *
- * © 2009-2010 Michael Stapelberg and contributors
- *
- * See file LICENSE for license information.
+ * © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
  *
  * xcb.c: Helper functions for easier usage of XCB
  *
  */
-
 #include "all.h"
 
 TAILQ_HEAD(cached_fonts_head, Font) cached_fonts = TAILQ_HEAD_INITIALIZER(cached_fonts);