[PECOFF][Writer] Skip ".debug$S" section in the input object file.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@185129 91177308-0d34-0410-b5e6-96231b3b80d8
[PECOFF][Writer] Fix a bug that the contents of .data and .rdata were swapped.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@185130 91177308-0d34-0410-b5e6-96231b3b80d8
[PECOFF][Writer] Support DIR32NB and REL32 relocation types.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@185133 91177308-0d34-0410-b5e6-96231b3b80d8
Add include guard.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@185134 91177308-0d34-0410-b5e6-96231b3b80d8