Fix the elf/rodata.objtext test to work when first run.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@171992 91177308-0d34-0410-b5e6-96231b3b80d8
Style fixes.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@171997 91177308-0d34-0410-b5e6-96231b3b80d8