wineoss.drv: Exclude unused headers

[Andrew Talbot]

Changelog:
    wineoss.drv: Exclude unused headers.

diff -urN a/dlls/wineoss.drv/audio.c b/dlls/wineoss.drv/audio.c
--- a/dlls/wineoss.drv/audio.c	2007-03-12 13:30:51.000000000 +0000
+++ b/dlls/wineoss.drv/audio.c	2007-05-22 19:29:28.000000000 +0100
@@ -61,7 +61,6 @@
 #include "wingdi.h"
 #include "winuser.h"
 #include "winnls.h"
-#include "winerror.h"
 #include "mmddk.h"
 #include "mmreg.h"
 #include "dsound.h"
diff -urN a/dlls/wineoss.drv/mmaux.c b/dlls/wineoss.drv/mmaux.c
--- a/dlls/wineoss.drv/mmaux.c	2007-01-10 21:49:12.000000000 +0000
+++ b/dlls/wineoss.drv/mmaux.c	2007-05-22 19:29:42.000000000 +0100
@@ -33,7 +33,6 @@
 #endif
 
 #include "windef.h"
-#include "winbase.h"
 #include "mmddk.h"
 #include "oss.h"
 #include "wine/unicode.h"