lavc: er: remove unused variable size

The code using it was removed in d66e305bd1b.
sbrdsp: move #if to disable all educational code

Avoids a warning of the unused function 'autocorrelate'.
float_dsp: add test program and use it as fate test
Merge commit 'c829b35c08ad8e1df45cca1cd12f084cf1183d07'

* commit 'c829b35c08ad8e1df45cca1cd12f084cf1183d07':
  lavc: er: remove unused variable size

No change as the variable is used

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit 'd961a79eb07a8911540a0bd356d68ae0cf93c6a1'

* commit 'd961a79eb07a8911540a0bd356d68ae0cf93c6a1':
  sbrdsp: move #if to disable all educational code

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

* qatar/master:
  float_dsp: add test program and use it as fate test

Merged-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/h264: fix Lossless Decoding (Profile 244) for 8x8 Intra Prediction

This is limited to the case where x264_build = -1, to not break x264 decoding

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/h264pred_template: fix declarations after statements

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