[Ohrrpgce] SVN: teeemcee/11256 process_crashreports: fix detection of which pdbs need to be downloaded

[subversion at HamsterRepublic.com]

teeemcee
2019-08-16 21:39:18 -0700 (Fri, 16 Aug 2019)
178
process_crashreports: fix detection of which pdbs need to be downloaded

Parse minidump_stackwalk stderr instead of just assuming the pdb is missing if a
function name is unknown
---
U   wip/misc/minidump_tools.py
U   wip/misc/process_crashreports.py