wlan: Replace __FUNCTION__ argument with __func__ in the wlan driver

The fix is to not use the gcc specific __FUNCTION__ to capture function
name; but use __func__  which is a C-99 standard identifier

Change-Id: Ie36f1bb87a3a4a51ec177ab5b6a253e279401e88
CR-Fixed: NA
diff --git a/CORE/MAC/src/pe/lim/limProcessMlmReqMessages.c b/CORE/MAC/src/pe/lim/limProcessMlmReqMessages.c
index bb5ab99..1279f8c 100644
--- a/CORE/MAC/src/pe/lim/limProcessMlmReqMessages.c
+++ b/CORE/MAC/src/pe/lim/limProcessMlmReqMessages.c
@@ -267,13 +267,13 @@
 {
    if( NULL == callback )
    {
-      limLog( pMac, LOGE, "%s:%d: Invalid parameters\n", __FUNCTION__, __LINE__ );
+      limLog( pMac, LOGE, "%s:%d: Invalid parameters\n", __func__, __LINE__ );
       return;
    }
 
    if( pMac->lim.gpLimSuspendCallback )
    {
-      limLog( pMac, LOGE, "%s:%d: gLimSuspendLink callback is not NULL...something is wrong\n", __FUNCTION__, __LINE__ );
+      limLog( pMac, LOGE, "%s:%d: gLimSuspendLink callback is not NULL...something is wrong\n", __func__, __LINE__ );
       callback( pMac, eHAL_STATUS_FAILURE, data ); 
       return;
    }
@@ -308,13 +308,13 @@
 {
    if( NULL == callback )
    {
-      limLog( pMac, LOGE, "%s:%d: Invalid parameters\n", __FUNCTION__, __LINE__ );
+      limLog( pMac, LOGE, "%s:%d: Invalid parameters\n", __func__, __LINE__ );
       return;
    }
 
    if( pMac->lim.gpLimResumeCallback )
    {
-      limLog( pMac, LOGE, "%s:%d: gLimResumeLink callback is not NULL...something is wrong\n", __FUNCTION__, __LINE__ );
+      limLog( pMac, LOGE, "%s:%d: gLimResumeLink callback is not NULL...something is wrong\n", __func__, __LINE__ );
       callback( pMac, eHAL_STATUS_FAILURE, data ); 
       return;
    }