[Patch] BaseTools: Add check for INF statement must be a .inf file

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

Per FDF spec, INF statement must use a .inf file, we add this error
check.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Yonghong Zhu <yonghong.zhu@intel.com>
---
 BaseTools/Source/Python/GenFds/FdfParser.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/BaseTools/Source/Python/GenFds/FdfParser.py b/BaseTools/Source/Python/GenFds/FdfParser.py
index 0190be8..44a3564 100644
--- a/BaseTools/Source/Python/GenFds/FdfParser.py
+++ b/BaseTools/Source/Python/GenFds/FdfParser.py
@@ -1,9 +1,9 @@
 ## @file
 # parse FDF file
 #
-#  Copyright (c) 2007 - 2017, Intel Corporation. All rights reserved.<BR>
+#  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
 #  Copyright (c) 2015, Hewlett Packard Enterprise Development, L.P.<BR>
 #
 #  This program and the accompanying materials
 #  are licensed and made available under the terms and conditions of the BSD License
 #  which accompanies this distribution.  The full text of the license may be found at
@@ -2484,10 +2484,12 @@ class FdfParser:
         self.__GetInfOptions(ffsInf)
 
         if not self.__GetNextToken():
             raise Warning("expected INF file path", self.FileName, self.CurrentLineNumber)
         ffsInf.InfFileName = self.__Token
+        if not ffsInf.InfFileName.endswith('.inf'):
+            raise Warning("expected .inf file path", self.FileName, self.CurrentLineNumber)
 
         ffsInf.CurrentLineNum = self.CurrentLineNumber
         ffsInf.CurrentLineContent = self.__CurrentLine()
 
         #Replace $(SAPCE) with real space
-- 
2.6.1.windows.1