Fix build for x86_64 target

The added file is from the upstream QEMU (0.10.5), and the code is based on
the following commit:

    commit d2e9fd8f703203c2eeeed120b1ef6c3a6574e0ab
    Author: malc <av1474@comtv.ru>
    Date:   Sat Jun 20 05:51:47 2009 +0400

    Apply TCGV_UNUSED on variables that GCC mistakenly thinks can be used
    uninitialized

For: ABIT-15

Change-Id: I4f675784c1e8649e99d1bd0c76eced6a3df14680
Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Signed-off-by: Jun Tian <jun.j.tian@intel.com>
2 files changed