Misc: Ensure all sources are UTF-8

* Also remove extra lines at the end of samples
diff --git a/examples/listdevs.c b/examples/listdevs.c
index df30224..f47e87c 100644
--- a/examples/listdevs.c
+++ b/examples/listdevs.c
@@ -1,6 +1,6 @@
 /*
  * libusbx example program to list devices on the bus
- * Copyright © 2007 Daniel Drake <dsd@gentoo.org>
+ * Copyright © 2007 Daniel Drake <dsd@gentoo.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -61,4 +61,3 @@
 	libusb_exit(NULL);
 	return 0;
 }
-