Fix compile error (uninitialized variable use)

Fix compile error (uninitialized variable use)

switch is already handling all cases, but some compilers don't care.
This suppresses errors about potentially using vkLoadOp and vkStoreOp
uninitialized.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2068523002

Committed: https://skia.googlesource.com/skia/+/0bbc3713de2f51c17fad935ccfd87dd68c7062ef

[Brian Osman, 2016-06-13 21:24:55]

Description was changed from

==========
Fix compile error on broken compilers.

switch is already handling all cases, but some compilers don't care.
This suppresses errors about potentially using vkLoadOp and vkStoreOp
uninitialized.

BUG=skia:
==========

to

==========
Fix compile error on broken compilers.

switch is already handling all cases, but some compilers don't care.
This suppresses errors about potentially using vkLoadOp and vkStoreOp
uninitialized.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2068523002
==========

[Brian Osman, 2016-06-13 21:25:53]

Description was changed from

==========
Fix compile error on broken compilers.

switch is already handling all cases, but some compilers don't care.
This suppresses errors about potentially using vkLoadOp and vkStoreOp
uninitialized.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2068523002
==========

to

==========
Fix compile error (uninitialized variable use)

switch is already handling all cases, but some compilers don't care.
This suppresses errors about potentially using vkLoadOp and vkStoreOp
uninitialized.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2068523002
==========

[Brian Osman, 2016-06-13 21:26:13]

The CQ bit was checked by brianosman@google.com to run a CQ dry run

[commit-bot: I haz the power, 2016-06-13 21:26:22]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2068523002/1

[Brian Osman, 2016-06-13 21:27:46]

brianosman@google.com changed reviewers:
+ egdaniel@google.com, jvanverth@google.com

[Brian Osman, 2016-06-13 21:33:05]

Now with more crashing.

[Brian Osman, 2016-06-13 21:33:35]

The CQ bit was checked by brianosman@google.com to run a CQ dry run

[commit-bot: I haz the power, 2016-06-13 21:33:41]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2068523002/20001

[commit-bot: I haz the power, 2016-06-13 21:56:14]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-06-13 21:56:15]

Dry run: This issue passed the CQ dry run.

[jvanverth1, 2016-06-13 21:59:29]

lgtm

[egdaniel, 2016-06-13 21:59:42]

lgtm

[Brian Osman, 2016-06-14 11:52:08]

The CQ bit was checked by brianosman@google.com

[commit-bot: I haz the power, 2016-06-14 11:52:15]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2068523002/20001

[commit-bot: I haz the power, 2016-06-14 11:53:12]

Description was changed from

==========
Fix compile error (uninitialized variable use)

switch is already handling all cases, but some compilers don't care.
This suppresses errors about potentially using vkLoadOp and vkStoreOp
uninitialized.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2068523002
==========

to

==========
Fix compile error (uninitialized variable use)

switch is already handling all cases, but some compilers don't care.
This suppresses errors about potentially using vkLoadOp and vkStoreOp
uninitialized.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2068523002

Committed:
https://skia.googlesource.com/skia/+/0bbc3713de2f51c17fad935ccfd87dd68c7062ef
==========

[commit-bot: I haz the power, 2016-06-14 11:53:13]

Committed patchset #2 (id:20001) as
https://skia.googlesource.com/skia/+/0bbc3713de2f51c17fad935ccfd87dd68c7062ef