Function snprintf() is not supported in Visual Studio 2013 or older version. The commit replaces the use of snprintf() with sprintf() to avoid build failure for VS compilers. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Hao Wu <hao.a.wu@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com> Reviewed-by: Yonghong Zhu <yonghong.zhu@intel.com>