Update vendored hawkmoth sources to commit upstream
69cde0b2c5315e46bf431a4c7c8b92cf47a544a6.

Changelog:

    - packaging: upgrade development status to beta
    - build: remove FIXME about VERSION
    - test: cover additional macro cases
    - parser: simplify macro arguments extraction
    - Re-use the looked up cursor of a token.
    - test: cover cases of functions with no parameters
    - parser: fix documentation of non prototyped functions
    - doc: add example with preprocessor

Signed-off-by: Rahix <rahix@rahix.de>

ch3 authored 5 years ago and rahix committed 5 years ago

Co-authored-by: Rahix <rahix@rahix.de>