rtspsrc: May stop sending keep alive due to buggy timeout in rtspconnection

Submitted by loc..@..il.com

Link to original bug (#744209)

Description

In 1.2.x, rtspsrc is sending out GET_PARAMETER every 75seconds, however , in 1.4.5/1.4.4, after the first GET_PARAMETER is sent out, there is no the second one.

Tested on win7 and mac os x

related post: http://gstreamer-devel.966125.n4.nabble.com/GStreamer-neither-keep-rtsp-alive-nor-re-connect-to-ip-camera-td4670632.html

Version: 1.4.5