platform_CryptohomeFio: fix fio launching error

When specify an ascii string as verify_pattern, newer fio requires ""
around it.

BUG=chromium:581761
TEST=Fails without, pass with them
Check that only these 2 tests set a pattern.

Change-Id: I7e2b6d54c537cead1aea973484cddf71a25f8971
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/324117
Reviewed-by: Puthikorn Voravootivat <puthik@chromium.org>
diff --git a/client/site_tests/platform_CryptohomeFio/seq_write_verified b/client/site_tests/platform_CryptohomeFio/seq_write_verified
index 7322211..dd9a122 100644
--- a/client/site_tests/platform_CryptohomeFio/seq_write_verified
+++ b/client/site_tests/platform_CryptohomeFio/seq_write_verified
@@ -24,7 +24,7 @@
 
 ; verify=crc32c-intel
 verify=crc32
-verify_pattern=ecryptfs
+verify_pattern="ecryptfs"
 verify_backlog=1
 verifysort=1
 verify_fatal=1
diff --git a/client/site_tests/platform_CryptohomeFio/surfing b/client/site_tests/platform_CryptohomeFio/surfing
index 880749b..2b3e428 100644
--- a/client/site_tests/platform_CryptohomeFio/surfing
+++ b/client/site_tests/platform_CryptohomeFio/surfing
@@ -28,6 +28,6 @@
 ; norandommap
 ; verify=crc32c-intel
 verify=crc32
-verify_pattern=ecryptfs
+verify_pattern="ecryptfs"
 verify_backlog=1
 stonewall