[Patch 2/3] BaseTools: Fixed an issue about StructurePcd

["Feng, Bob C" <bob.c.feng@intel.com>]

If use a structure pcd in fdf, build tool crash
This is a regression issue introduced by py3 patch set.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Bob Feng <bob.c.feng@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
---
 BaseTools/Source/Python/Workspace/BuildClassObject.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/BaseTools/Source/Python/Workspace/BuildClassObject.py b/BaseTools/Source/Python/Workspace/BuildClassObject.py
index cff77a71ae..41759b8785 100644
--- a/BaseTools/Source/Python/Workspace/BuildClassObject.py
+++ b/BaseTools/Source/Python/Workspace/BuildClassObject.py
@@ -268,10 +268,11 @@ class StructurePcd(PcdClassObject):
         self.PkgPath = ""
         self.DefaultValueFromDec = ""
         self.ValueChain = set()
         self.PcdFieldValueFromComm = OrderedDict()
         self.PcdFieldValueFromFdf = OrderedDict()
+        self.DefaultFromDSC=None
     def __repr__(self):
         return self.TypeName
 
     def AddDefaultValue (self, FieldName, Value, FileName="", LineNo=0,DimensionAttr ="-1"):
         if DimensionAttr not in self.DefaultValues:
@@ -324,11 +325,10 @@ class StructurePcd(PcdClassObject):
         if isinstance(PcdObject, StructurePcd):
             self.StructuredPcdIncludeFile = PcdObject.StructuredPcdIncludeFile if PcdObject.StructuredPcdIncludeFile else self.StructuredPcdIncludeFile
             self.PackageDecs = PcdObject.PackageDecs if PcdObject.PackageDecs else self.PackageDecs
             self.DefaultValues = PcdObject.DefaultValues if PcdObject.DefaultValues else self.DefaultValues
             self.PcdMode = PcdObject.PcdMode if PcdObject.PcdMode else self.PcdMode
-            self.DefaultFromDSC=None
             self.DefaultValueFromDec = PcdObject.DefaultValueFromDec if PcdObject.DefaultValueFromDec else self.DefaultValueFromDec
             self.SkuOverrideValues = PcdObject.SkuOverrideValues if PcdObject.SkuOverrideValues else self.SkuOverrideValues
             self.StructName = PcdObject.DatumType if PcdObject.DatumType else self.StructName
             self.PcdDefineLineNo = PcdObject.PcdDefineLineNo if PcdObject.PcdDefineLineNo else self.PcdDefineLineNo
             self.PkgPath = PcdObject.PkgPath if PcdObject.PkgPath else self.PkgPath
-- 
2.18.0.windows.1