prevent core when injecting when not in sync with host #0

as far as collections and clock.

Msg0.cpp

@@ -964,7 +964,9 @@ void handleRequest0 ( UdpSlot *slot , int32_t netnice ) {
 	//char     *coll               = p;
 	collnum_t collnum = *(collnum_t *)p; p += sizeof(collnum_t);
 
-
+	CollectionRec *xcr = g_collectiondb.getRec ( collnum );
+	if ( ! xcr ) g_errno = ENOCOLLREC;
+	
 	// error set from XmlDoc::cacheTermLists()?
 	if ( g_errno ) {
 		us->sendErrorReply ( slot , EBADRDBID ); return;}

fctypes.cpp

@@ -1907,7 +1907,11 @@ int64_t gettimeofdayInMillisecondsSynced() {
 		char *xx = NULL; *xx = 0; }
 	// sanity check
 	if ( ! isClockInSync() ) { 
-		log("xml: clock not in sync with host #0 yet!!!!!!");
+		static int s_printed = 0;
+		if ( (s_printed % 100) == 0 ) {
+			s_printed++;
+			log("xml: clock not in sync with host #0 yet!!!!!!");
+		}
 		//char *xx = NULL; *xx = 0; }
 	}