advapi32/tests: Fix crash on 64bit windows for 64bit test.

dlls/advapi32/tests/security.c

diff --git a/dlls/advapi32/tests/security.c b/dlls/advapi32/tests/security.c
index f53d50f..8c209bf 100644
--- a/dlls/advapi32/tests/security.c
+++ b/dlls/advapi32/tests/security.c
@@ -3758,8 +3758,6 @@
         ok(ace->Mask == 0x1f01ff, "Administators Group ACE has unexpected mask (0x%x != 0x1f01ff)\n",
                                   ace->Mask);
     }
-    LocalFree(pSD);
-
     CloseHandle(obj);
 }