Fixed a memory leak when writing through the epicsadapter

epicsadapter.c

@@ -384,6 +384,7 @@ static void EpicsWriteFunc(void *param)
 		SCDeleteConnection(wp->pCon);
 		ReleaseHdbValue(&wp->v);
 		free(wp);
+		free(pv);
 		ca_clear_channel(cid);
 		ca_context_destroy();
 }