dirac: K&R formatting cosmetics

Signed-off-by: Diego Biurrun <diego@biurrun.de>
x86inc: Make ym# behave the same way as xm#

This makes more sense for future implementations of templates with zmm registers.

Signed-off-by: Diego Biurrun <diego@biurrun.de>
x86inc: Free up variable name "n" in global namespace

Signed-off-by: Diego Biurrun <diego@biurrun.de>
x86inc: Make INIT_CPUFLAGS support an arbitrary number of cpuflags

Previously there was a limit of two cpuflags.

Signed-off-by: Diego Biurrun <diego@biurrun.de>
dv: K&R formatting cosmetics

Signed-off-by: Diego Biurrun <diego@biurrun.de>
doc: Fix syntax and logical errors in avconv stream combination example

Bug-Id: 661
CC: libav-stable@libav.org