Handle an error

modules/stream_out/rtp.c

@@ -664,6 +664,8 @@ static void SDPHandleUrl( sout_stream_t *p_stream, const char *psz_url )
         if( psz_url[0] == '/' && psz_url[1] == '/' )
             psz_url += 2;
         p_sys->psz_sdp_file = strdup( psz_url );
+        if( p_sys->psz_sdp_file == NULL )
+            goto out;
         decode_URI( p_sys->psz_sdp_file ); /* FIXME? */
         FileSetup( p_stream );
     }