Fix doc string variable name to quiet a compiler warning.
Fix doc string variable name to quiet a compiler warning.



git-svn-id: 4c4cc70b1ef44ba2b7963015e681894188cea27e@339817 91177308-0d34-0410-b5e6-96231b3b80d8
(cherry picked from commit 1ce3cef6d4ea3f037b0b51de0804ea8bc023e7a2)

apple/swift-lldb,apple/swift-lldb,apple/swift-lldb,apple/swift-lldb,apple/swift-lldb,apple/swift-lldb