wavpack: K&R formatting cosmetics

Signed-off-by: Diego Biurrun <diego@biurrun.de>
wavpack: return meaningful errors

And forward those that were already meaningful.
wavpack: validate samples size parsed in wavpack_decode_block

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
configure: Add basic valgrind-massif support

With the parameter --toolchain valgrind-massif, the configure
script sets reasonable defaults that can be overridden as explained
in the documentation.
prores: update FATE test to account for alpha plane present in the test sample
Escape 130 FATE test
Merge commit '0f689a3d97a1d3053ca0e9516b296909a72ff31e'

* commit '0f689a3d97a1d3053ca0e9516b296909a72ff31e':
  wavpack: K&R formatting cosmetics

Conflicts:
	libavcodec/wavpack.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit '8c34558131d846d2b10389564caadaa206372fd4'

* commit '8c34558131d846d2b10389564caadaa206372fd4':
  wavpack: return meaningful errors

Conflicts:
	libavcodec/wavpack.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit 'ed50673066956d6f2201a57c3254569f2ab08d9d'

* commit 'ed50673066956d6f2201a57c3254569f2ab08d9d':
  wavpack: validate samples size parsed in wavpack_decode_block

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit '8e673efc6f5b7a095557664660305148f2788d30'

* commit '8e673efc6f5b7a095557664660305148f2788d30':
  prores: update FATE test to account for alpha plane present in the test sample
  configure: Add basic valgrind-massif support

Conflicts:
	tests/fate/prores.mak
	tests/ref/fate/prores-alpha

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

* qatar/master:
  Escape 130 FATE test

Conflicts:
	tests/fate/video.mak

Merged-by: Michael Niedermayer <michaelni@gmx.at>
ffserver: replace atoll() by strtoll()

this should make it easier to support ffserver with msvc

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
configure: fix valgrind-massif to actually work

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
configure: use the user specified valgrind excutable for massif

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