qcacld-3.0: Fix -Wmissing-prototypes in lim_process_assoc_rsp_frame

We want to enable the compiler's -Wmissing-prototypes switch, but
there is existing code that is generating warnings. Fix all warnings
in lim_process_assoc_rsp_frame.

Change-Id: I232343baf74227d525f1004ab2d57fd3d68702d4
CRs-Fixed: 1075090

core/mac/src/pe/lim/lim_process_assoc_rsp_frame.c

@@ -473,7 +473,7 @@ static void lim_update_stads_ext_cap(tpAniSirGlobal mac_ctx,
  *
  *  Return: None
  */
-void lim_stop_reassoc_retry_timer(tpAniSirGlobal mac_ctx)
+static void lim_stop_reassoc_retry_timer(tpAniSirGlobal mac_ctx)
 {
 	mac_ctx->lim.reAssocRetryAttempt = 0;
 	if ((NULL != mac_ctx->lim.pSessionEntry)