Fix UnicodeDecodeError

Traceback (most recent call last):
  File "./lib/wnf.py", line 590, in <module>
    run()
  File "./lib/wnf.py", line 314, in run
    build.bundle(False, cms_make)
  File "/home/maxwell/erp/lib/webnotes/build.py", line 27, in bundle
    on_build()
  File "app/startup/event_handlers.py", line 69, in on_build
  File "app/home/page/latest_updates/latest_updates.py", line 42, in make
  File "app/home/page/latest_updates/latest_updates.py", line 18, in add_to_logs
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 9: ordinal not in range(128)