[Patch] MdeModulePkg HiiDatabase: Remove extra memory initialization.

[Eric Dong <eric.dong@intel.com>]

The memory will be set to background color after success allocate
the data, so not need to call AllocateZeroPool.

Related bugz: https://bugzilla.tianocore.org/show_bug.cgi?id=223

Cc: Liming Gao <liming.gao@intel.com>
Cc: Dandan Bi <dandan.bi@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
---
 MdeModulePkg/Universal/HiiDatabaseDxe/Font.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/MdeModulePkg/Universal/HiiDatabaseDxe/Font.c b/MdeModulePkg/Universal/HiiDatabaseDxe/Font.c
index 7855c7e..9bef064 100644
--- a/MdeModulePkg/Universal/HiiDatabaseDxe/Font.c
+++ b/MdeModulePkg/Universal/HiiDatabaseDxe/Font.c
@@ -2056,7 +2056,7 @@ HiiStringToImage (
     if ((Flags & EFI_HII_DIRECT_TO_SCREEN) == EFI_HII_DIRECT_TO_SCREEN) {
       BltBuffer = NULL;
       if (RowInfo[RowIndex].LineWidth != 0) {
-        BltBuffer = AllocateZeroPool (RowInfo[RowIndex].LineWidth * RowInfo[RowIndex].LineHeight * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
+        BltBuffer = AllocatePool (RowInfo[RowIndex].LineWidth * RowInfo[RowIndex].LineHeight * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
         if (BltBuffer == NULL) {
           Status = EFI_OUT_OF_RESOURCES;
           goto Exit;
-- 
2.6.4.windows.1