Subzero: Fix a warning message in the browser build.

Subzero: Fix a warning message in the browser build.

Due to a mistake in the logic in https://codereview.chromium.org/1903553004 , a warning is printed even when LogFilename is properly set to "-".

BUG= https://bugs.chromium.org/p/nativeclient/issues/detail?id=4370
R=jpp@chromium.org

Committed: https://gerrit.chromium.org/gerrit/gitweb?p=native_client/pnacl-subzero.git;a=commit;h=64045042b801685e6e4f25613eada86ee2f7d71a

[Jim Stichnoth, 2016-04-21 06:46:18]

Description was changed from

==========
Subzero: Fix a warning message in the browser build.

BUG= https://bugs.chromium.org/p/nativeclient/issues/detail?id=4370
==========

to

==========
Subzero: Fix a warning message in the browser build.

Due to a mistake in the logic in https://codereview.chromium.org/1903553004 , a
warning is printed even when LogFilename is properly set to "-".

BUG= https://bugs.chromium.org/p/nativeclient/issues/detail?id=4370
==========

[Jim Stichnoth, 2016-04-21 06:46:18]

stichnot@chromium.org changed reviewers:
+ eholk@chromium.org, jpp@chromium.org, kschimpf@google.com, sehr@chromium.org

[John, 2016-04-21 12:24:32]

lgtm

[Jim Stichnoth, 2016-04-21 12:38:52]

Description was changed from

==========
Subzero: Fix a warning message in the browser build.

Due to a mistake in the logic in https://codereview.chromium.org/1903553004 , a
warning is printed even when LogFilename is properly set to "-".

BUG= https://bugs.chromium.org/p/nativeclient/issues/detail?id=4370
==========

to

==========
Subzero: Fix a warning message in the browser build.

Due to a mistake in the logic in https://codereview.chromium.org/1903553004 , a
warning is printed even when LogFilename is properly set to "-".

BUG= https://bugs.chromium.org/p/nativeclient/issues/detail?id=4370
R=jpp@chromium.org

Committed:
https://gerrit.chromium.org/gerrit/gitweb?p=native_client/pnacl-subzero.git;a...
==========

[Jim Stichnoth, 2016-04-21 12:38:53]

Committed patchset #1 (id:1) manually as
64045042b801685e6e4f25613eada86ee2f7d71a (presubmit successful).