Qt 5.4 and earlier required GStreamer 0.10.24 as minimum version.
Qt 5.5 added code that requires 0.10.31, this code is now ifdef'd
and we now support again 0.10.24.
Task-number: QTBUG-48353
Change-Id: Ie708a33c0515874b003ce26a3400475075d316ca
Reviewed-by: Christian Stromme <christian.stromme@theqtcompany.com>