/*
* Jump to a specific time of the current song.
*
* This method raises an Xmms::Error exception if XMMS is not running.
*
* Examples:
* remote.jump 45 # jump 45 seconds into the current song
* remote.time = 45 # jump 45 seconds into the current song
*
*/
static VALUE xr_jump(VALUE self, VALUE pos) {