Fix return type of GetAsyncKeyState.

include/wine/winuser16.h

diff --git a/include/wine/winuser16.h b/include/wine/winuser16.h
index d1d9f06..05ad22e 100644
--- a/include/wine/winuser16.h
+++ b/include/wine/winuser16.h
@@ -704,7 +704,7 @@
 DWORD       WINAPI FormatMessage16(DWORD,SEGPTR,WORD,WORD,LPSTR,WORD,LPDWORD);
 INT16       WINAPI FrameRect16(HDC16,const RECT16*,HBRUSH16);
 HWND16      WINAPI GetActiveWindow16(void);
-WORD        WINAPI GetAsyncKeyState16(INT16);
+INT16       WINAPI GetAsyncKeyState16(INT16);
 HWND16      WINAPI GetCapture16(void);
 UINT16      WINAPI GetCaretBlinkTime16(void);
 VOID        WINAPI GetCaretPos16(LPPOINT16);

include/winuser.h

diff --git a/include/winuser.h b/include/winuser.h
index ff8dbe9..c12879a 100644
--- a/include/winuser.h
+++ b/include/winuser.h
@@ -3822,7 +3822,7 @@
 HWND        WINAPI GetActiveWindow(void);
 HWND        WINAPI GetAncestor(HWND,UINT);
 DWORD       WINAPI GetAppCompatFlags(HTASK);
-WORD        WINAPI GetAsyncKeyState(INT);
+SHORT       WINAPI GetAsyncKeyState(INT);
 HWND        WINAPI GetCapture(void);
 UINT        WINAPI GetCaretBlinkTime(void);
 BOOL        WINAPI GetCaretPos(LPPOINT);

windows/input.c

diff --git a/windows/input.c b/windows/input.c
index 9912892..3d69392 100644
--- a/windows/input.c
+++ b/windows/input.c
@@ -596,10 +596,10 @@
  * mouse or key had been depressed since the last call to 
  * GetAsyncKeyState.
  */
-WORD WINAPI GetAsyncKeyState(INT nKey)
+SHORT WINAPI GetAsyncKeyState(INT nKey)
 {
-    WORD retval = ((AsyncKeyStateTable[nKey] & 0x80) ? 0x0001 : 0) |
-                  ((InputKeyStateTable[nKey] & 0x80) ? 0x8000 : 0);
+    SHORT retval = ((AsyncKeyStateTable[nKey] & 0x80) ? 0x0001 : 0) |
+                   ((InputKeyStateTable[nKey] & 0x80) ? 0x8000 : 0);
     AsyncKeyStateTable[nKey] = 0;
     TRACE_(key)("(%x) -> %x\n", nKey, retval);
     return retval;
@@ -608,7 +608,7 @@
 /**********************************************************************
  *		GetAsyncKeyState (USER.249)
  */
-WORD WINAPI GetAsyncKeyState16(INT16 nKey)
+INT16 WINAPI GetAsyncKeyState16(INT16 nKey)
 {
     return GetAsyncKeyState(nKey);
 }