Give IDCT matrix transpose macro a more descriptive name

This also avoids a macro name clash and related warning on ARM.
lavf/libssh: fix seek to nagative position

Signed-off-by: Lukasz Marek <lukasz.m.luki@gmail.com>
lavf/ftp: fix seek to nagative position

Signed-off-by: Lukasz Marek <lukasz.m.luki@gmail.com>
Merge remote-tracking branch 'qatar/master'

* qatar/master:
  Give IDCT matrix transpose macro a more descriptive name

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge remote-tracking branch 'lukaszmluki/master'

* lukaszmluki/master:
  lavf/ftp: fix seek to nagative position
  lavf/libssh: fix seek to nagative position

Merged-by: Michael Niedermayer <michaelni@gmx.at>