Protect the displays global map

Bug 25597090

Change-Id: Ie6bc4f55b5105a3e75cdc1b636f3e5716c10cc61
Reviewed-on: https://swiftshader-review.googlesource.com/4240
Tested-by: Greg Hartman <ghartman@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>
Tested-by: Nicolas Capens <capn@google.com>
1 file changed