No else after return.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@205736 91177308-0d34-0410-b5e6-96231b3b80d8
Early continue to reduce nesting.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@205737 91177308-0d34-0410-b5e6-96231b3b80d8