security_OpenFDs: account for RO shared memory sections.

BUG=None
TEST=Passes on falco.

Change-Id: Idaff89cb2cfc1ffc178f38319b6846e0e6d8e1dd
Reviewed-on: https://chromium-review.googlesource.com/177881
Commit-Queue: Jorge Lucangeli Obes <jorgelo@chromium.org>
Tested-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
1 file changed