qcacld-3.0: Add comment between cases in switch statement

Add /* fallthrough */ comment in __lim_process_sme_deauth_req
as per linux checkpatch script while processing deauth req for
limSmeState 'eLIM_SME_LINK_EST_STATE'.

Change-Id: I38e0520aaec96e2ba35c916b39e79724c453632f
CRs-Fixed: 2233183
diff --git a/core/mac/src/pe/lim/lim_process_sme_req_messages.c b/core/mac/src/pe/lim/lim_process_sme_req_messages.c
index b01cfa5..e10a6ff 100644
--- a/core/mac/src/pe/lim/lim_process_sme_req_messages.c
+++ b/core/mac/src/pe/lim/lim_process_sme_req_messages.c
@@ -2440,6 +2440,7 @@
 		case eLIM_SME_LINK_EST_STATE:
 			/* Delete all TDLS peers connected before leaving BSS */
 			lim_delete_tdls_peers(mac_ctx, session_entry);
+		/* fallthrough */
 		case eLIM_SME_WT_ASSOC_STATE:
 		case eLIM_SME_JOIN_FAILURE_STATE:
 		case eLIM_SME_IDLE_STATE: