fft-test: K&R formatting cosmetics

Also rearrange #includes into canonical order.
fft-test: Pass correct struct members to (i)dct functions

This fixes a number of incompatible pointer type warnings.
http: K&R formatting cosmetics

Also comment some #endifs and reshuffle headers into canonical order.
Merge commit '6133d65861f265d429ade53e910fe877c95a1615'

* commit '6133d65861f265d429ade53e910fe877c95a1615':
  fft-test: K&R formatting cosmetics

Conflicts:
	libavcodec/fft-test.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit 'd0de7330b973b354e2ceb0b99fd545b868b0a9c4'

* commit 'd0de7330b973b354e2ceb0b99fd545b868b0a9c4':
  fft-test: Pass correct struct members to (i)dct functions

Conflicts:
	libavcodec/fft-test.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit 'ce2e858f5b3416c2d54f7f8c14e901f75c48b785'

* commit 'ce2e858f5b3416c2d54f7f8c14e901f75c48b785':
  http: K&R formatting cosmetics

Conflicts:
	libavformat/http.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
lavfi/src_movie: remove frame from priv context

This variable is used only inside one function.
There is no need to store it in context.

This also may prevent crush by double free frame.

Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
lavfi/src_movie: minor simplifications

Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>