Fix UTF-8 encoding

Report to find out all non-UTF-8 files created by

cat extensions |xargs -I XXXX find . -name \*.XXXX |while read FILE ; do
    if ( iconv -f utf8 -t ucs2 $FILE >/dev/null 2>/dev/null ) ; then
        /bin/true
    else
        echo $FILE
    fi
done >>report

Signed-off-by: Matěj Cepl <mcepl@redhat.com>
Reviewed-by: Daniel Stone <daniel@fooishbar.org>

[Daniel: git am failed for me, so I redid it.  The method listed in the
         commit message also failed, so I just used file/grep/iconv.  The
         results are the same though.]
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

hw/kdrive/linux/ps2.c

@@ -1,5 +1,5 @@
 /*
- * Copyright <EFBFBD> 1999 Keith Packard
+ * Copyright © 1999 Keith Packard
  *
  * Permission to use, copy, modify, distribute, and sell this software and its
  * documentation for any purpose is hereby granted without fee, provided that