AUTHORS: Convert to UTF-8

Signed-off-by: Diego Biurrun <diego@biurrun.de>
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

AUTHORS

@@ -9,7 +9,7 @@ N: Billy Biggs
 E: vektor@dumbterm.net
 D: libdvdcss enhancements
 
-N: Stphane Borel
+N: Stéphane Borel
 E: stef@via.ecp.fr
 C: stef
 D: original CSS decryption code from vlc
@@ -18,7 +18,7 @@ N: Sven Heithecker
 E: sven.heithecker@web.de
 D: cache bug fix for discs with identical content but different keys
 
-N: Hkan Hjort
+N: Håkan Hjort
 E: d95hjort@dtek.chalmers.se
 C: hjort
 D: Solaris port of the DVD ioctls
@@ -69,7 +69,7 @@ N: Steven M. Schultz
 E: sms@TO.GD-ES.COM
 D: BSD/OS port
 
-N: David Siebrger
+N: David Siebörger
 E: drs-videolan@rucus.ru.ac.za
 D: HP-UX port of the DVD ioctls