Fix memfd_create_compat() F_DUPFD call.

Pass 0 as the lowest required fd arg for F_DUPFD, instead
of picking up uninitialized garbage.

Test: dex2oat_image_test on fugu.
Bug: 149002515
Change-Id: I2af21d47430133eba90877e7cf35424597fb78ce
1 file changed