dhcpcd: Fix typo in vendor-encapsulated-options

BUG=chromium:323010
TEST=Tested with future changes to shill.  Autotest will follow.

Change-Id: I1ddf8b9e91782e984eead0085b099ab663b94ea2
Reviewed-on: https://chromium-review.googlesource.com/178462
Reviewed-by: mukesh agrawal <quiche@chromium.org>
Tested-by: Paul Stewart <pstew@chromium.org>
Commit-Queue: Paul Stewart <pstew@chromium.org>
diff --git a/dhcpcd-dbus.c b/dhcpcd-dbus.c
index e0655a7..9621d37 100644
--- a/dhcpcd-dbus.c
+++ b/dhcpcd-dbus.c
@@ -139,7 +139,7 @@
 	{ "nis_domain=", DBUS_TYPE_STRING, 0, "NISDomain" },
 	{ "nis_servers=", DBUS_TYPE_ARRAY, DBUS_TYPE_UINT32, "NISServers" },
 	{ "ntp_servers=", DBUS_TYPE_ARRAY, DBUS_TYPE_UINT32, "NTPServers" },
-	{ "vendor_encapsulated_optons=", DBUS_TYPE_STRING, 0,
+	{ "vendor_encapsulated_options=", DBUS_TYPE_STRING, 0,
 	  "VendorEncapsulatedOptions" },
 	{ "netbios_name_servers=" ,DBUS_TYPE_ARRAY, DBUS_TYPE_UINT32,
 	  "NetBIOSNameServers" },