Fixed switch (unsigned int) { case -1 / -2: } problems.

controls/combo.c

@@ -1343,7 +1343,7 @@ static LRESULT COMBO_Command( LPHEADCOMBO lphc, WPARAM wParam, HWND hWnd )
    }
    else if( lphc->hWndLBox == hWnd )
    {
-       switch( HIWORD(wParam) )
+       switch( (short)HIWORD(wParam) )
        {
 	   case LBN_ERRSPACE:
 		CB_NOTIFY( lphc, CBN_ERRSPACE );

windows/nonclient.c

@@ -1132,7 +1132,7 @@ LONG NC_HandleSetCursor( HWND hwnd, WPARAM wParam, LPARAM lParam )
 {
     hwnd = WIN_GetFullHandle( (HWND)wParam );
 
-    switch(LOWORD(lParam))
+    switch((short)LOWORD(lParam))
     {
     case HTERROR:
 	{