Use early continue. Style fix. No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@195106 91177308-0d34-0410-b5e6-96231b3b80d8
Remove extraneous curly braces and blank lines.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@195107 91177308-0d34-0410-b5e6-96231b3b80d8
Remove meaningless "explicit" keywords.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@195108 91177308-0d34-0410-b5e6-96231b3b80d8
[PECOFF] Now that identify_magic() recognizes COFF import library.

No need to do that in ReaderCOFF.cpp.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@195109 91177308-0d34-0410-b5e6-96231b3b80d8