Corrected the location of bfbin.h in the man page

The bf_process_byfl_file.3 man page said incorrectly to `#include <bfbin.h>`
instead of `#include <byfl/bfbin.h>`.
Added function calls to the list of operations tallied

This tally is maintained both for basic blocks and for functions.
Clear the function-call tally when necessary
Don't count inline assembly as a function call