qcacld-3.0: Rename hdd_adapter sessionCtx field

Per the Linux coding style "mixed-case names are frowned upon" so
rename field sessionCtx in struct hdd_adapter.

Change-Id: I726adb12694860a57e1c9a46071ed97dafdc46e9
CRs-Fixed: 2134952
diff --git a/core/hdd/src/wlan_hdd_ipa.c b/core/hdd/src/wlan_hdd_ipa.c
index 5d36e68..45a6cb5 100644
--- a/core/hdd/src/wlan_hdd_ipa.c
+++ b/core/hdd/src/wlan_hdd_ipa.c
@@ -4337,7 +4337,7 @@
 		/* Disable to forward Intra-BSS Rx packets when
 		 * ap_isolate=1 in hostapd.conf
 		 */
-		if (!adapter->sessionCtx.ap.disable_intrabss_fwd) {
+		if (!adapter->session.ap.disable_intrabss_fwd) {
 			/*
 			 * When INTRA_BSS_FWD_OFFLOAD is enabled, FW will send
 			 * all Rx packets to IPA uC, which need to be forwarded