Revert "Do not ignore SizeOfOptionalHeader in COFF header even if PE header is not present."

This reverts commit r278066 to unbreak buildbots.

llvm-svn: 278070

llvm/lib/Object/COFFObjectFile.cpp

@@ -716,10 +716,9 @@ COFFObjectFile::COFFObjectFile(MemoryBufferRef Object, std::error_code &EC)
     }
     if ((EC = getObject(DataDirectory, Data, DataDirAddr, DataDirSize)))
       return;
+    CurPtr += COFFHeader->SizeOfOptionalHeader;
   }
 
-  CurPtr += COFFHeader->SizeOfOptionalHeader;
-
   if ((EC = getObject(SectionTable, Data, base() + CurPtr,
                       (uint64_t)getNumberOfSections() * sizeof(coff_section))))
     return;