virgl: Correctly align size of blobs

Probably a copy-paste error.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Fixes: cd31f46f ("virgl/drm: add resource create blob function")
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
Part-of: <!7332>
43 jobs for !7332 with virgl-blob-size in 9 minutes and 54 seconds (queued for 4 seconds)
detached
Status Job ID Name Coverage
  Container
passed #5257223
aarch64
arm_build

00:00:23

passed #5257224
arm_test-base

00:00:15

passed #5257225
git_archive

00:00:14

passed #5257220
x86_build-base

00:00:20

passed #5257222
x86_build_old

00:00:15

passed #5257221
x86_test-base

00:00:19

 
  Container 2
passed #5257233
android_build

00:00:12

passed #5257236
arm64_test

00:00:11

passed #5257230
i386_build

00:00:16

passed #5257226
kernel+rootfs_amd64

00:00:11

passed #5257227
aarch64
kernel+rootfs_arm64

00:00:20

passed #5257228
aarch64
kernel+rootfs_armhf

00:00:52

passed #5257231
ppc64el_build

00:00:11

passed #5257232
s390x_build

00:00:16

passed #5257229
x86_build

00:00:17

passed #5257234
x86_test-gl

00:00:13

passed #5257235
x86_test-vk

00:00:13

 
  Sanity
passed #5257237
check mr

00:00:09

 
  Meson X86 64
passed #5257243
meson-clang

00:03:47

passed #5257242
meson-classic

00:00:33

passed #5257244
meson-clover

00:03:40

passed #5257239
meson-clover-testing

00:02:59

passed #5257240
meson-gallium

00:06:22

passed #5257241
meson-release

00:05:25

passed #5257238
meson-testing

00:05:28

passed #5257245
meson-vulkan

00:02:55

 
  Scons
passed #5257246
scons-win64

00:01:46

 
  Meson Misc
passed #5257247
meson-android

00:00:31

passed #5257249
aarch64
meson-arm64

00:01:17

passed #5257250
aarch64
meson-arm64-build-test

00:01:18

passed #5257248
aarch64
meson-armhf

00:01:20

passed #5257251
meson-i386

00:03:03

passed #5257254
meson-mingw32-x86_64

00:02:26

passed #5257253
kvm
meson-ppc64el

00:01:53

passed #5257252
kvm
meson-s390x

00:02:34

 
  Virgl
passed #5257259
virgl-gl30-on-gl

00:00:22

passed #5257260
virgl-gl31-on-gl

00:00:42

passed #5257261
virgl-gl32-on-gl

00:03:01

passed #5257255
virgl-gles2-on-gl

00:03:03

passed #5257257
virgl-gles31-on-gl 1/2

00:03:04

passed #5257258
virgl-gles31-on-gl 2/2

00:03:41

passed #5257256
virgl-gles3-on-gl

00:03:04

passed #5257262
virgl-traces

00:00:51