qcacld-3.0: Fix the regression in join failure processing

Set the correct link state in join failure processing so that
WMA processes the request and sends the vdev stop when the join
failure happens.

Change-Id: I4e5ddcbd7e7b2b0141904410adb66f228dab0046
CRs-Fixed: 1020982
diff --git a/core/mac/src/include/sir_params.h b/core/mac/src/include/sir_params.h
index acedd40..cd5ffa5 100644
--- a/core/mac/src/include/sir_params.h
+++ b/core/mac/src/include/sir_params.h
@@ -109,6 +109,7 @@
 	eSIR_LINK_POSTASSOC_STATE = 2,
 	eSIR_LINK_AP_STATE = 3,
 	eSIR_LINK_IBSS_STATE = 4,
+	eSIR_LINK_DOWN_STATE = 5,
 } tSirLinkState;
 
 /* / Message queue structure used across Sirius project. */