winspool: Implement AddPortEx.
diff --git a/include/winspool.h b/include/winspool.h
index 47fc113..7ae2dc8 100644
--- a/include/winspool.h
+++ b/include/winspool.h
@@ -1349,10 +1349,8 @@
 BOOL WINAPI AddPortW(LPWSTR pName, HWND hWnd, LPWSTR pMonitorName);
 #define AddPort WINELIB_NAME_AW(AddPort)
 
-BOOL WINAPI AddPortExA(HANDLE hMonitor, LPSTR pName, DWORD Level,
-                       LPBYTE lpBuffer, LPSTR lpMonitorName);
-BOOL WINAPI AddPortExW(HANDLE hMonitor, LPWSTR pName, DWORD Level,
-                       LPBYTE lpBuffer, LPWSTR lpMonitorName);
+BOOL WINAPI AddPortExA(LPSTR, DWORD, LPBYTE, LPSTR);
+BOOL WINAPI AddPortExW(LPWSTR, DWORD, LPBYTE, LPWSTR);
 #define AddPortEx WINELIB_NAME_AW(AddPortEx)
 
 BOOL WINAPI ConfigurePortA(LPSTR pName, HWND hWnd, LPSTR pPortName);