Cleanup test case by removing unused attribute dso_local

Attribute 'dso_local' generated in bitcode from compiling
original C file but isn't needed.

Differential Revision: https://reviews.llvm.org/D55521


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@348835 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed