winejack.drv: Exclude unused headers

[Andrew Talbot]

Changelog:
    winejack.drv: Exclude unused headers.

diff -urN a/dlls/winejack.drv/audio.c b/dlls/winejack.drv/audio.c
--- a/dlls/winejack.drv/audio.c	2007-01-10 21:49:06.000000000 +0000
+++ b/dlls/winejack.drv/audio.c	2007-05-22 19:15:56.000000000 +0100
@@ -44,13 +44,9 @@
 #endif
 #include <fcntl.h>
 #include "windef.h"
-#include "winbase.h"
-#include "winnls.h"
 #include "wingdi.h"
-#include "winerror.h"
 #include "mmddk.h"
 #include "dsound.h"
-#include "dsdriver.h"
 #include "jack.h"
 #include "wine/unicode.h"
 #include "wine/library.h"