[Patch] BaseTools: Fix one bug of nest !include parser

[Yonghong Zhu <yonghong.zhu@intel.com>]

From: Yunhua Feng <yunhuax.feng@intel.com>

The case is DSC file include file1, file1 include file2, after parse
file2 finished, DSC parser get the wrong section type, then it would
report invalid error.

Cc: Liming Gao <liming.gao@intel.com>
Cc: Yonghong Zhu <yonghong.zhu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Yunhua Feng <yunhuax.feng@intel.com>
---
 BaseTools/Source/Python/Workspace/MetaFileParser.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/BaseTools/Source/Python/Workspace/MetaFileParser.py b/BaseTools/Source/Python/Workspace/MetaFileParser.py
index 8ab1dd2..4252e6d 100644
--- a/BaseTools/Source/Python/Workspace/MetaFileParser.py
+++ b/BaseTools/Source/Python/Workspace/MetaFileParser.py
@@ -1568,11 +1568,15 @@ class DscParser(MetaFileParser):
             # Parse the included file
             Parser.Start()
 
             # update current status with sub-parser's status
             self._SectionName = Parser._SectionName
-            self._SectionType = Parser._SectionType
+            if not self._InSubsection:
+                self._SectionType = Parser._SectionType
+            self._SubsectionType = Parser._SubsectionType
+            self._InSubsection = Parser._InSubsection
+
             self._Scope = Parser._Scope
             self._Enabled = Parser._Enabled
 
             # Insert all records in the table for the included file into dsc file table
             Records = IncludedFileTable.GetAll()
-- 
2.6.1.windows.1