d3d12: Fix Linux fence wait return value

zero is for success, nonzero is failure.

Fixes: 0b60d6a2 ("d3d12: Support Linux eventfds for fences")
52 jobs for !12268 with fix-linux-fence-wait in 9 seconds (queued for 10 seconds)
detached
Status Name Job ID Coverage
  Sanity
passed sanity #12596062

00:00:09

 
  Container
manual debian/arm_build #12596065
aarch64 manual
manual debian/x86_build-base #12596063
manual
manual debian/x86_test-base #12596064
manual
manual fedora/x86_build #12596066
manual
manual windows_build_vs2019 #12596067
windows shell 1809 mesa manual
 
  Container 2
created debian/android_build #12596072
created debian/i386_build #12596069
created debian/ppc64el_build #12596070
created debian/s390x_build #12596071
created debian/x86_build #12596068
created debian/x86_test-gl #12596073
created debian/x86_test-vk #12596074
created kernel+rootfs_amd64 #12596075
created kernel+rootfs_arm64 #12596076
aarch64
created kernel+rootfs_armhf #12596077
aarch64
 
  Build X86 64
created debian-clang #12596084
created debian-clover #12596085
created debian-clover-testing #12596080
created debian-gallium #12596081
created debian-release #12596082
created debian-testing #12596078
created debian-testing-asan #12596079
created debian-vulkan #12596086
created fedora-release #12596083
 
  Build Misc
created debian-android #12596088
created debian-arm64 #12596090
aarch64
created debian-arm64-asan #12596091
aarch64
created debian-arm64-build-test #12596092
aarch64
created debian-armhf #12596089
aarch64
created debian/arm_test #12596087
created debian-i386 #12596094
created debian-mingw32-x86_64 #12596095
created windows-vs2019 #12596093
windows docker 1809 mesa
 
  Intel
created i915-g33-deqp #12596096
anholt-g33 manual
created i915-g33-piglit #12596097
anholt-g33 manual
created i915-g33-traces #12596098
anholt-g33 manual
created iris-apl-gl #12596099
mesa-ci-x86-64-lava-asus-C523NA-A20057-coral manual
created iris-glk-egl #12596104
mesa-ci-x86-64-lava-hp-x360-12b-n4000-octopus manual
created iris-glk-gl #12596103
mesa-ci-x86-64-lava-hp-x360-12b-n4000-octopus manual
created iris-glk-gles2 #12596100
mesa-ci-x86-64-lava-hp-x360-12b-n4000-octopus manual
created iris-glk-gles3 #12596101
mesa-ci-x86-64-lava-hp-x360-12b-n4000-octopus manual
created iris-glk-gles31 #12596102
mesa-ci-x86-64-lava-hp-x360-12b-n4000-octopus manual
created iris-glk-traces #12596105
mesa-ci-x86-64-lava-hp-x360-12b-n4000-octopus manual
created iris-kbl-traces #12596106
mesa-ci-x86-64-lava-hp-x360-14-G1-sona manual
 
  Freedreno
created a530_piglit_gl #12596107
google-freedreno-db820c manual
created a630_vk_full 1/2 #12596108
google-freedreno-cheza manual
created a630_vk_full 2/2 #12596109
google-freedreno-cheza manual
 
  Software Renderer
created softpipe-asan-gles31 #12596112
created softpipe-deqp 1/2 #12596110
created softpipe-deqp 2/2 #12596111
 
  Layered Backends
created test-d3d12-windows #12596113
windows docker 1809 mesa