qcacmn: Make dp_htt_h2t_send_complete() static

Since dp_htt_h2t_send_complete() is only accessed from within
dp_htt.c, and since there is not a public prototype, make it static.

Change-Id: I002ac20d0e5ced8ddc9d5099a987a5ce208b4cfc
CRs-Fixed: 1108111

dp/wifi3.0/dp_htt.c

@@ -134,7 +134,7 @@ dp_htt_h2t_send_complete_free_netbuf(
  * @context:	Opaque context (HTT SOC handle)
  * @htc_pkt:	HTC packet
  */
-void
+static void
 dp_htt_h2t_send_complete(void *context, HTC_PACKET *htc_pkt)
 {
 	void (*send_complete_part2)(