build: Update waf to waf-2.0.21-6-g60e3f5f4

- upstream commit 60e3f5f4 fixes issue #320 (upstream Waf issue #2330)
- avoid invocation using Python 2 (issue #16)
This commit is contained in:
Tom Henderson
2020-12-28 14:19:37 -08:00
parent 4ec5347c7c
commit ae31bf3a9d

16
waf vendored

File diff suppressed because one or more lines are too long