Clean up sieb.[ch], including changing a reference to <malloc.h> to instead
be the more standard <stdlib.h>.

I have no idea what "sieb" means (stands for?), and it looks like these
files may want to be placed in the nearest recycling receptacle, but I'm
not ready to go there today.

Change-Id: I2d4116b742e61018fdbea127070154545ff82dbd
2 files changed