ffserver.c:3291: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned32 by call to `close_connection`.

ffserver.c:3291:5: Call
3289. 
3290.     /* abort the session */
3291.     close_connection(rtp_c);
          ^
3292. }
3293. 

ffserver.c:811:1: <LHS trace>
809. }
810. 
811. static void close_connection(HTTPContext *c)
     ^
812. {
813.     HTTPContext **cp, *c1;

ffserver.c:811:1: Global `nb_connections`
  809. }
  810. 
  811. static void close_connection(HTTPContext *c)
       ^
  812. {
  813.     HTTPContext **cp, *c1;

ffserver.c:895:5: Binary operation: ([0, +oo] - 1):unsigned32 by call to `close_connection` 
  893.     av_free(c->buffer);
  894.     av_free(c);
  895.     nb_connections--;
           ^
  896. }
  897. 
