sout_StreamChainDelete: iterative implementation

src/stream_output/stream_output.c

@@ -812,14 +812,15 @@ static void sout_StreamDelete( sout_stream_t *p_stream )
  */
 void sout_StreamChainDelete(sout_stream_t *p_first, sout_stream_t *p_last)
 {
-    if(!p_first)
-        return;
-
+    while(p_first != NULL)
+    {
         sout_stream_t *p_next = p_first->p_next;
 
         sout_StreamDelete(p_first);
-    if(p_first != p_last)
-        sout_StreamChainDelete(p_next, p_last);
+        if(p_first == p_last)
+           break;
+        p_first = p_next;
+    }
 }
 
 /* Create a "stream_out" module, which may forward its ES to p_next module */