Correct spelling of licensed

Correct typos of "licenced" to "licensed".

Reviewed-by: Stefan Weil <weil@mail.berlios.de>
Reviewed-by: Andreas F=E4rber <andreas.faerber@web.de>
Signed-off-by: Matthew Fernandez <matthew.fernandez@gmail.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/hw/scsi-generic.c b/hw/scsi-generic.c
index 90345a7..63361b3 100644
--- a/hw/scsi-generic.c
+++ b/hw/scsi-generic.c
@@ -7,7 +7,7 @@
  *
  * Written by Laurent Vivier <Laurent.Vivier@bull.net>
  *
- * This code is licenced under the LGPL.
+ * This code is licensed under the LGPL.
  *
  */