[PATCH] BaseTools: Fix typo in FDF parser for OptionROM override

["Tomas Pilar (tpilar)" <tpilar@solarflare.com>]

Cc: Yonghong Zhu <yonghong.zhu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Tomas Pilar <tpilar@solarflare.com>
---
 BaseTools/Source/Python/GenFds/FdfParser.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/BaseTools/Source/Python/GenFds/FdfParser.py b/BaseTools/Source/Python/GenFds/FdfParser.py
index 1c9a5130bf..71cce8f61e 100644
--- a/BaseTools/Source/Python/GenFds/FdfParser.py
+++ b/BaseTools/Source/Python/GenFds/FdfParser.py
@@ -4396,7 +4396,7 @@ class FdfParser:
                         raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)
                     # Get a list of PCI IDs
                     Overrides.PciDeviceId = ""
-                    while (self.__GetNextHexNumber()):
+                    while (self._GetNextHexNumber()):
                         Overrides.PciDeviceId = "{} {}".format(Overrides.PciDeviceId, self.__Token)
                     if not Overrides.PciDeviceId:
                         raise Warning.Expected("one or more Hex device ids", self.FileName, self.CurrentLineNumber)
-- 
2.17.2