pyoxidizer: make sure defaultrc directory exists before trying to write to it...
pyoxidizer: make sure defaultrc directory exists before trying to write to it
When doing some work involving one-file binaries, this line is failing
for me. It seems reasonable to just make sure the destination
directory exists before splatting the file into it.
Differential Revision:
https://phab.mercurial-scm.org/D9401
