[LLDB] Avoid a warning about an unused static variable
[LLDB] Avoid a warning about an unused static variable

The variable is unused on windows.

Differential Revision: https://reviews.llvm.org/D67895

git-svn-id: 4c4cc70b1ef44ba2b7963015e681894188cea27e@372589 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/lldb,llvm-mirror/lldb,llvm-mirror/lldb,llvm-mirror/lldb,llvm-mirror/lldb