winmm: Exclude unused headers

[Andrew Talbot]

Changelog:
    winmm: Exclude unused headers.

diff -urN a/dlls/winmm/lolvldrv.c b/dlls/winmm/lolvldrv.c
--- a/dlls/winmm/lolvldrv.c	2006-11-09 12:11:27.000000000 +0000
+++ b/dlls/winmm/lolvldrv.c	2007-05-25 17:19:27.000000000 +0100
@@ -30,11 +30,9 @@
 #include "windef.h"
 #include "winbase.h"
 #include "winreg.h"
-#include "winver.h"
 #include "winemm.h"
 #include "wine/debug.h"
 #include "wine/exception.h"
-#include "excpt.h"
 
 WINE_DEFAULT_DEBUG_CHANNEL(winmm);
 
diff -urN a/dlls/winmm/message16.c b/dlls/winmm/message16.c
--- a/dlls/winmm/message16.c	2007-02-05 13:46:53.000000000 +0000
+++ b/dlls/winmm/message16.c	2007-05-25 17:19:44.000000000 +0100
@@ -25,8 +25,6 @@
 #include "wine/winbase16.h"
 #include "windef.h"
 #include "winbase.h"
-#include "winreg.h"
-#include "winver.h"
 #include "wownt32.h"
 #include "winemm16.h"
 #include "digitalv.h"
diff -urN a/dlls/winmm/mmsystem.c b/dlls/winmm/mmsystem.c
--- a/dlls/winmm/mmsystem.c	2007-03-07 21:03:57.000000000 +0000
+++ b/dlls/winmm/mmsystem.c	2007-05-25 17:19:53.000000000 +0100
@@ -34,7 +34,6 @@
 #include "windef.h"
 #include "winbase.h"
 #include "mmsystem.h"
-#include "winreg.h"
 #include "winternl.h"
 #include "wownt32.h"
 #include "winnls.h"
diff -urN a/dlls/winmm/winmm.c b/dlls/winmm/winmm.c
--- a/dlls/winmm/winmm.c	2007-04-23 14:40:28.000000000 +0100
+++ b/dlls/winmm/winmm.c	2007-05-25 17:20:02.000000000 +0100
@@ -50,7 +50,6 @@
 #include "mmsystem.h"
 #include "winuser.h"
 #include "winnls.h"
-#include "winreg.h"
 #include "winternl.h"
 #include "winemm.h"