raop: Add loop for request retry

This loop will be used by authentication.
Signed-off-by: Michael Hanselmann <public@hansmi.ch>
Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>

modules/stream_out/raop.c

@@ -793,6 +793,8 @@ static int ExecRequest( vlc_object_t *p_this, const char *psz_method,
         goto error;
     }
 
+    while ( 1 )
+    {
         /* Send request */
         i_err = SendRequest( p_this, psz_method, psz_content_type, psz_body,
                              p_req_headers);
@@ -818,13 +820,17 @@ static int ExecRequest( vlc_object_t *p_this, const char *psz_method,
                 goto error;
         }
 
-    if ( i_status != 200 )
+        if ( i_status == 200 )
+            /* Request successful */
+            break;
+        else
         {
             msg_Err( p_this, "Request failed (%s), status is %d",
                      p_sys->psz_last_status_line, i_status );
             i_err = VLC_EGENERIC;
             goto error;
         }
+    }
 
 error:
     FREENULL( p_sys->psz_last_status_line );