wlan: Fix for reject scan when connection in progress.

Scan request will return EBUSY when connection in progress.

Change-Id: Id869f88f218d47d67e58c320b1ef169a2c533861
CR-Fixed: 418188
diff --git a/CORE/HDD/inc/wlan_hdd_assoc.h b/CORE/HDD/inc/wlan_hdd_assoc.h
index e92b2c4..f0b1ca5 100644
--- a/CORE/HDD/inc/wlan_hdd_assoc.h
+++ b/CORE/HDD/inc/wlan_hdd_assoc.h
@@ -31,6 +31,10 @@
 {
    /** Not associated in Infra or participating in an IBSS / Ad-hoc network.*/
    eConnectionState_NotConnected,
+
+   /** While connection in progress */
+   eConnectionState_Connecting,
+
    /** Associated in an Infrastructure network.*/
    eConnectionState_Associated,