RT3820: Don't call GetDesktopWindow()

Signed-off-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(cherry picked from commit bed2edf1cb)

crypto/cryptlib.c

@@ -806,8 +806,6 @@ int OPENSSL_isservice(void)
     if (_OPENSSL_isservice.p != (void *)-1)
         return (*_OPENSSL_isservice.f) ();
 
-    (void)GetDesktopWindow();   /* return value is ignored */
-
     h = GetProcessWindowStation();
     if (h == NULL)
         return -1;