wlan: Fix memory corruption in GTK offload callback API

Memory for the data structure is not allocated, instead memory
allocation is done only for the pointer.

Change-Id: I850ce9f9540fe8bc13085373e24fd5dbca423aea
CRs-Fixed: 510376
diff --git a/CORE/WDA/src/wlan_qct_wda.c b/CORE/WDA/src/wlan_qct_wda.c
index 0c89119..e561efe 100644
--- a/CORE/WDA/src/wlan_qct_wda.c
+++ b/CORE/WDA/src/wlan_qct_wda.c
@@ -9962,7 +9962,7 @@
    tWDA_ReqParams *pWdaParams = (tWDA_ReqParams *)pUserData;
    tWDA_CbContext *pWDA;
    tpSirGtkOffloadGetInfoRspParams pGtkOffloadGetInfoReq;
-   tpSirGtkOffloadGetInfoRspParams pGtkOffloadGetInfoRsp = vos_mem_malloc(sizeof(tpSirGtkOffloadGetInfoRspParams)) ;
+   tpSirGtkOffloadGetInfoRspParams pGtkOffloadGetInfoRsp = vos_mem_malloc(sizeof(tSirGtkOffloadGetInfoRspParams)) ;
    vos_msg_t vosMsg;
 
    VOS_TRACE( VOS_MODULE_ID_WDA, VOS_TRACE_LEVEL_INFO,