Make event logs register correctly, turn down the select error on windows rendezvous, and fix crash on short mp3 files.

src/os-win32.c

@@ -110,6 +110,7 @@ void os_deinit(void) {
  * open the syslog (eventlog)
  */
 int os_opensyslog(void) {
+    elog_register();
     return elog_init();
 }
 

src/rend-win32.c

@@ -93,7 +93,7 @@ void *rend_mainthread(void *arg) {
              
 //            myTimerCallBack();
         } else {
-            DPRINTF(E_LOG,L_REND,"select() returned %d errno %d %s\n", result, errno, strerror(errno));
+            DPRINTF(E_INF,L_REND,"select() returned %d errno %d %s\n", result, errno, strerror(errno));
             if (errno != EINTR) rend_stop_flag = 1;
         }
     }

src/scan-mp3.c

@@ -978,8 +978,7 @@ int scan_mp3_get_mp3fileinfo(char *file, MP3FILE *pmp3) {
 
         /* back-calculate bitrate from duration */
         if(pmp3->song_length) { /* could still be unknown */
-            pmp3->bitrate = ((file_size / 1000) * 8) / 
-                (pmp3->song_length / 1000);
+            pmp3->bitrate = (file_size / pmp3->song_length) * 8;
         }
 
     }