po/: Translation string updates

po/: Translation string updates

Original commit message from CVS:
* po/af.po:
* po/az.po:
* po/cs.po:
* po/en_GB.po:
* po/hu.po:
* po/it.po:
* po/nb.po:
* po/nl.po:
* po/or.po:
* po/sq.po:
* po/sr.po:
* po/sv.po:
* po/uk.po:
* po/vi.po:
Translation string updates

* sys/v4l/gstv4lsrc.c: (gst_v4lsrc_fixate), (gst_v4lsrc_get_caps),
(gst_v4lsrc_set_caps):
* sys/v4l/v4lsrc_calls.c: (gst_v4lsrc_get_fps),
(gst_v4lsrc_get_fps_list), (gst_v4lsrc_buffer_new):
* sys/v4l/v4lsrc_calls.h:
Improve v4lsrc, by making it work again.