if we fail to allocate camera memory then give more details when mmap fails
if we fail to allocate camera memory then give more details when mmap fails

foolab/gst-droid,sledges/gst-droid,sledges/gst-droid,mlehtima/gst-droid,mlehtima/gst-droid,foolab/gst-droid,sailfishos/gst-droid,sledges/gst-droid