Removed superfluous #include statements for header files included twice.

dlls/comctl32/monthcal.c

@@ -23,7 +23,6 @@
 #include "windef.h"
 #include "wingdi.h"
 #include "winuser.h"
-#include "wingdi.h"
 #include "win.h"
 #include "winnls.h"
 #include "commctrl.h"

dlls/comctl32/toolbar.c

@@ -30,7 +30,6 @@
 #include "windef.h"
 #include "wingdi.h"
 #include "winuser.h"
-#include "wingdi.h"
 #include "commctrl.h"
 #include "cache.h"
 #include "comctl32.h"

dlls/imm32/imm.c

@@ -9,7 +9,6 @@
 #include "wingdi.h"
 #include "winuser.h"
 #include "winerror.h"
-#include "windef.h"
 #include "debugtools.h"
 #include "winversion.h"
 #include "imm.h"

dlls/msacm32/driver.c

@@ -10,7 +10,6 @@
 #include "winbase.h"
 #include "winerror.h"
 #include "windef.h"
-#include "windef.h"
 #include "wingdi.h"
 #include "winuser.h"
 #include "debugtools.h"

dlls/msvideo/msvideo_main.c

@@ -8,7 +8,6 @@
 #include "windef.h"
 #include "wingdi.h"
 #include "winuser.h"
-#include "wingdi.h"
 #include "vfw.h"
 #include "wine/winestring.h"
 #include "driver.h"

dlls/shell32/iconcache.c

@@ -9,7 +9,6 @@
 #include "windef.h"
 #include "wingdi.h"
 #include "winuser.h"
-#include "wingdi.h"
 #include "wine/winuser16.h"
 #include "wine/winbase16.h"
 #include "neexe.h"

msdos/int21.c

@@ -20,7 +20,6 @@
 #include <ctype.h>
 #include "windef.h"
 #include "winbase.h"
-#include "windef.h"
 #include "wingdi.h"
 #include "winuser.h" /* SW_NORMAL */
 #include "wine/winbase16.h"

windows/x11drv/clipboard.c

@@ -64,7 +64,6 @@
 #include "clipboard.h"
 #include "message.h"
 #include "win.h"
-#include "windef.h"
 #include "x11drv.h"
 #include "bitmap.h"
 #include "heap.h"

windows/x11drv/keyboard.c

@@ -28,7 +28,6 @@
 #include "debugtools.h"
 #include "keyboard.h"
 #include "message.h"
-#include "windef.h"
 #include "winnls.h"
 #include "x11drv.h"
 

windows/x11drv/wnd.c

@@ -28,7 +28,6 @@
 #include "windef.h"
 #include "class.h"
 #include "x11drv.h"
-#include "windef.h"
 #include "wingdi.h"
 #include "wine/winuser16.h"